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2308800807945 = 335971391268429
BaseRepresentation
bin100001100110001111010…
…000001000010000001001
322011201102022001020121000
4201212033100020100021
5300311411001323240
64524352022005213
7325543144030542
oct41461720102011
98151368036530
102308800807945
1181017a958385
12313564876809
131399467ac938
147da647954c9
15400cd11d430
hex2198f408409

2308800807945 has 64 divisors (see below), whose sum is σ = 4176686304000. Its totient is φ = 1209897658368.

The previous prime is 2308800807857. The next prime is 2308800807947. The reversal of 2308800807945 is 5497080088032.

It is a happy number.

It is not a de Polignac number, because 2308800807945 - 223 = 2308792419337 is a prime.

It is a super-2 number, since 2×23088008079452 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2308800807891 and 2308800807900.

It is not an unprimeable number, because it can be changed into a prime (2308800807947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1185991 + ... + 2454419.

It is an arithmetic number, because the mean of its divisors is an integer number (65260723500).

Almost surely, 22308800807945 is an apocalyptic number.

It is an amenable number.

2308800807945 is a deficient number, since it is larger than the sum of its proper divisors (1867885496055).

2308800807945 is a wasteful number, since it uses less digits than its factorization.

2308800807945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268679 (or 1268673 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

It can be divided in two parts, 230880080 and 7945, that added together give a square (230888025 = 151952).

The spelling of 2308800807945 in words is "two trillion, three hundred eight billion, eight hundred million, eight hundred seven thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 27 45 97 135 139 291 417 485 695 873 1251 1455 2085 2619 3753 4365 6255 13095 13483 18765 40449 67415 121347 202245 364041 606735 1268429 1820205 3805287 6342145 11415861 19026435 34247583 57079305 123037613 171237915 176311631 369112839 528934893 615188065 881558155 1107338517 1586804679 1845564195 2644674465 3322015551 4760414037 5536692585 7934023395 16610077755 17102228207 23802070185 51306684621 85511141035 153920053863 256533423105 461760161589 769600269315 2308800807945