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400210012004 = 221117659811897
BaseRepresentation
bin1011101001011100110…
…00000010011101100100
31102021000022202002022012
411310232120002131210
523024112230341004
6503504241253352
740625401654625
oct5645630023544
91367008662265
10400210012004
11144801133540
1265691634258
132b97ccbc7ba
141552802da4c
15a62507e46e
hex5d2e602764

400210012004 has 48 divisors (see below), whose sum is σ = 810209252160. Its totient is φ = 170952821760.

The previous prime is 400210012003. The next prime is 400210012031.

400210012004 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 400210012004.

It is not an unprimeable number, because it can be changed into a prime (400210012003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86984 + ... + 898880.

It is an arithmetic number, because the mean of its divisors is an integer number (16879359420).

Almost surely, 2400210012004 is an apocalyptic number.

400210012004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400210012004 is an abundant number, since it is smaller than the sum of its proper divisors (409999240156).

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

400210012004 is a wasteful number, since it uses less digits than its factorization.

400210012004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812588 (or 812586 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

It can be divided in two parts, 4002100 and 12004, that added together give a palindrome (4014104).

The spelling of 400210012004 in words is "four hundred billion, two hundred ten million, twelve thousand, four".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 659 748 1318 2636 7249 11203 14498 22406 28996 44812 123233 246466 492932 811897 1623794 3247588 8930867 13802249 17861734 27604498 35723468 55208996 151824739 303649478 535040123 607298956 1070080246 2140160492 5885441353 9095682091 11770882706 18191364182 23541765412 36382728364 100052503001 200105006002 400210012004