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13629706458 = 234794742417
BaseRepresentation
bin11001011000110010…
…01101000011011010
31022011212200211022220
430230121031003122
5210403201101313
610132243524510
7661520410344
oct145431150332
938155624286
1013629706458
115864683215
122784689736
13139299ba84
14934246294
1554b88b823
hex32c64d0da

13629706458 has 16 divisors (see below), whose sum is σ = 27316327680. Its totient is φ = 4533749696.

The previous prime is 13629706457. The next prime is 13629706523. The reversal of 13629706458 is 85460792631.

It is a self number, because there is not a number n which added to its sum of digits gives 13629706458.

It is not an unprimeable number, because it can be changed into a prime (13629706457) 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, 2368335 + ... + 2374082.

It is an arithmetic number, because the mean of its divisors is an integer number (1707270480).

It is a 1-persistent number, because it is pandigital, but 2⋅13629706458 = 27259412916 is not.

Almost surely, 213629706458 is an apocalyptic number.

13629706458 is an abundant number, since it is smaller than the sum of its proper divisors (13686621222).

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

13629706458 is a wasteful number, since it uses less digits than its factorization.

13629706458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742901.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 13629706458 in words is "thirteen billion, six hundred twenty-nine million, seven hundred six thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 479 958 1437 2874 4742417 9484834 14227251 28454502 2271617743 4543235486 6814853229 13629706458