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245403055242400 = 255211263106033121
BaseRepresentation
bin110111110011000101011001…
…111011110011110010100000
31012011220022011212012221221211
4313303011121323303302200
5224131140424120224100
62225532335054555504
7102455533323230656
oct6763053173636240
91164808155187854
10245403055242400
11712139400490a0
122363490a808b94
13a6c1541212a73
1444857dd710dd6
151d5876b22d1ba
hexdf3159ef3ca0

245403055242400 has 144 divisors (see below), whose sum is σ = 656037953258688. Its totient is φ = 88898167808000.

The previous prime is 245403055242383. The next prime is 245403055242419. The reversal of 245403055242400 is 4242550304542.

It is a super-3 number, since 3×2454030552424003 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50702161 + ... + 55330960.

It is an arithmetic number, because the mean of its divisors is an integer number (4555819119852).

Almost surely, 2245403055242400 is an apocalyptic number.

245403055242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245403055242400 is an abundant number, since it is smaller than the sum of its proper divisors (410634898016288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245403055242400 is a wasteful number, since it uses less digits than its factorization.

245403055242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106033415 (or 106033402 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

The spelling of 245403055242400 in words is "two hundred forty-five trillion, four hundred three billion, fifty-five million, two hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 263 275 352 400 440 526 550 800 880 1052 1100 1315 1760 2104 2200 2630 2893 4208 4400 5260 5786 6575 8416 8800 10520 11572 13150 14465 21040 23144 26300 28930 42080 46288 52600 57860 72325 92576 105200 115720 144650 210400 231440 289300 462880 578600 1157200 2314400 106033121 212066242 424132484 530165605 848264968 1060331210 1166364331 1696529936 2120662420 2332728662 2650828025 3393059872 4241324840 4665457324 5301656050 5831821655 8482649680 9330914648 10603312100 11663643310 16965299360 18661829296 21206624200 23327286620 27886710823 29159108275 37323658592 42413248400 46654573240 55773421646 58318216550 84826496800 93309146480 111546843292 116636433100 139433554115 186618292960 223093686584 233272866200 278867108230 306753819053 446187373168 466545732400 557734216460 613507638106 697167770575 892374746336 933091464800 1115468432920 1227015276212 1394335541150 1533769095265 2230936865840 2454030552424 2788671082300 3067538190530 4461873731680 4908061104848 5577342164600 6135076381060 7668845476325 9816122209696 11154684329200 12270152762120 15337690952650 22309368658400 24540305524240 30675381905300 49080611048480 61350763810600 122701527621200 245403055242400