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400215452143051 = 2915191394257169
BaseRepresentation
bin101101011111111100110101…
…1110110111100110111001011
31221111001020000222110222222201
41122333321223312330313023
5404424112221222034201
63535104235054101031
7150204416664632146
oct13277715366746713
91844036028428881
10400215452143051
11106580469159656
1238a785291aa777
1314241202c8322c
1470b8761a0905d
1531407c7e2a801
hex16bfe6bdbcdcb

400215452143051 has 8 divisors (see below), whose sum is σ = 416757812695200. Its totient is φ = 383855880105600.

The previous prime is 400215452143021. The next prime is 400215452143057. The reversal of 400215452143051 is 150341254512004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400215452143051 - 231 = 400213304659403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400215452143051.

It is not an unprimeable number, because it can be changed into a prime (400215452143057) 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, 45697124206 + ... + 45697132963.

It is an arithmetic number, because the mean of its divisors is an integer number (52094726586900).

Almost surely, 2400215452143051 is an apocalyptic number.

400215452143051 is a deficient number, since it is larger than the sum of its proper divisors (16542360552149).

400215452143051 is a wasteful number, since it uses less digits than its factorization.

400215452143051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91394257349.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 400215452143051 in words is "four hundred trillion, two hundred fifteen billion, four hundred fifty-two million, one hundred forty-three thousand, fifty-one".

Divisors: 1 29 151 4379 91394257169 2650433457901 13800532832519 400215452143051