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74040449064942 = 2316375705980639
BaseRepresentation
bin10000110101011011100010…
…101010100101111111101110
3100201011012100012100212112010
4100311123202222211333232
534201034314430034232
6421245413541222050
721411150231023163
oct2065334252457756
9321135305325463
1074040449064942
11216564182a2988
128379650701926
133240ca4914b99
14143d810c6a06a
15885e66ade0cc
hex4356e2aa5fee

74040449064942 has 16 divisors (see below), whose sum is σ = 148989369899520. Its totient is φ = 24528737726712.

The previous prime is 74040449064931. The next prime is 74040449064943. The reversal of 74040449064942 is 24946094404047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74040449064943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37852989342 + ... + 37852991297.

It is an arithmetic number, because the mean of its divisors is an integer number (9311835618720).

Almost surely, 274040449064942 is an apocalyptic number.

74040449064942 is an abundant number, since it is smaller than the sum of its proper divisors (74948920834578).

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

74040449064942 is a wasteful number, since it uses less digits than its factorization.

74040449064942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75705980807.

The product of its (nonzero) digits is 27869184, while the sum is 57.

The spelling of 74040449064942 in words is "seventy-four trillion, forty billion, four hundred forty-nine million, sixty-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 163 326 489 978 75705980639 151411961278 227117941917 454235883834 12340074844157 24680149688314 37020224532471 74040449064942