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121031301300 = 223527134433381
BaseRepresentation
bin111000010111000000…
…1110001100010110100
3102120101212202010220220
41300232001301202310
53440333003120200
6131333452454340
711513161041510
oct1605601614264
9376355663826
10121031301300
1147369018048
121b55917a3b0
13b54aa63920
145c022c1140
1532357bb4a0
hex1c2e0718b4

121031301300 has 144 divisors (see below), whose sum is σ = 430995664512. Its totient is φ = 25536268800.

The previous prime is 121031301283. The next prime is 121031301343. The reversal of 121031301300 is 3103130121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121031301300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2189391 + ... + 2243990.

It is an arithmetic number, because the mean of its divisors is an integer number (2993025448).

Almost surely, 2121031301300 is an apocalyptic number.

121031301300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121031301300 is an abundant number, since it is smaller than the sum of its proper divisors (309964363212).

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

121031301300 is a wasteful number, since it uses less digits than its factorization.

121031301300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433418 (or 4433411 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121031301300 its reverse (3103130121), we get a palindrome (124134431421).

The spelling of 121031301300 in words is "one hundred twenty-one billion, thirty-one million, three hundred one thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 25 26 28 30 35 39 42 50 52 60 65 70 75 78 84 91 100 105 130 140 150 156 175 182 195 210 260 273 300 325 350 364 390 420 455 525 546 650 700 780 910 975 1050 1092 1300 1365 1820 1950 2100 2275 2730 3900 4550 5460 6825 9100 13650 27300 4433381 8866762 13300143 17733524 22166905 26600286 31033667 44333810 53200572 57633953 62067334 66500715 88667620 93101001 110834525 115267906 124134668 133001430 155168335 172901859 186202002 221669050 230535812 266002860 288169765 310336670 332503575 345803718 372404004 403437671 443338100 465505005 576339530 620673340 665007150 691607436 775841675 806875342 864509295 931010010 1152679060 1210313013 1330014300 1440848825 1551683350 1613750684 1729018590 1862020020 2017188355 2327525025 2420626026 2881697650 3103366700 3458037180 4034376710 4322546475 4655050050 4841252052 5763395300 6051565065 8068753420 8645092950 9310100100 10085941775 12103130130 17290185900 20171883550 24206260260 30257825325 40343767100 60515650650 121031301300