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42688842000064 = 2613247720714051
BaseRepresentation
bin10011011010011010001010…
…10000110110011011000000
312121011000100210112010121121
421231031011100312123000
521043403222023000224
6230442552220002024
711664111204663211
oct1155150520663300
9177130323463547
1042688842000064
111266926645aaa7
124955472990314
131aa8704701130
14a782183d1408
154e067c402be4
hex26d3454366c0

42688842000064 has 56 divisors (see below), whose sum is σ = 91263710281968. Its totient is φ = 19694587315200.

The previous prime is 42688841999933. The next prime is 42688842000071. The reversal of 42688842000064 is 46000024888624.

It is a happy number.

It is a super-3 number, since 3×426888420000643 (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 42688841999975 and 42688842000020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8296162 + ... + 12417889.

It is an arithmetic number, because the mean of its divisors is an integer number (1629709112178).

Almost surely, 242688842000064 is an apocalyptic number.

It is an amenable number.

42688842000064 is an abundant number, since it is smaller than the sum of its proper divisors (48574868281904).

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

42688842000064 is a wasteful number, since it uses less digits than its factorization.

42688842000064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20716553 (or 20716543 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

Adding to 42688842000064 its reverse (46000024888624), we get a palindrome (88688866888688).

The spelling of 42688842000064 in words is "forty-two trillion, six hundred eighty-eight billion, eight hundred forty-two million, sixty-four", and thus it is an aban number.

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 2477 4954 9908 19816 32201 39632 64402 79264 128804 158528 257608 515216 1030432 2060864 20714051 41428102 82856204 165712408 269282663 331424816 538565326 662849632 1077130652 1325699264 2154261304 4308522608 8617045216 17234090432 51308704327 102617408654 205234817308 410469634616 667013156251 820939269232 1334026312502 1641878538464 2668052625004 3283757076928 5336105250008 10672210500016 21344421000032 42688842000064