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40145254104 = 23318119934637
BaseRepresentation
bin100101011000110101…
…111111011011011000
310211121210101012200010
4211120311333123120
51124204141112404
630235324041520
72620560013104
oct453065773330
9124553335603
1040145254104
1116030a4965a
1279446932a0
133a2a1ac237
141d2b9bc904
15109e62a189
hex958d7f6d8

40145254104 has 64 divisors (see below), whose sum is σ = 100990038240. Its totient is φ = 13298273280.

The previous prime is 40145254073. The next prime is 40145254141.

40145254104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×401452541042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8655274 + ... + 8659910.

Almost surely, 240145254104 is an apocalyptic number.

It is an amenable number.

40145254104 is an abundant number, since it is smaller than the sum of its proper divisors (60844784136).

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

40145254104 is a wasteful number, since it uses less digits than its factorization.

40145254104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820 (or 6816 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 40145254104 in words is "forty billion, one hundred forty-five million, two hundred fifty-four thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 181 362 543 724 1086 1448 1993 2172 3986 4344 4637 5979 7972 9274 11958 13911 15944 18548 23916 27822 37096 47832 55644 111288 360733 721466 839297 1082199 1442932 1678594 2164398 2517891 2885864 3357188 4328796 5035782 6714376 8657592 9241541 10071564 18483082 20143128 27724623 36966164 55449246 73932328 110898492 221796984 1672718921 3345437842 5018156763 6690875684 10036313526 13381751368 20072627052 40145254104