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129629329626 = 2371304294201
BaseRepresentation
bin111100010111010000…
…0101001100011011010
3110101121002110020110110
41320232200221203122
54110440102022001
6135314554225150
712236223056466
oct1705640514332
9411532406413
10129629329626
114aa80416a85
12211587251b6
13c2bb162054
1463ba17b4a6
15358a5453d6
hex1e2e8298da

129629329626 has 16 divisors (see below), whose sum is σ = 262910190528. Its totient is φ = 42601188000.

The previous prime is 129629329619. The next prime is 129629329663. The reversal of 129629329626 is 626923926921.

It is a super-2 number, since 2×1296293296262 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152146675 + ... + 152147526.

It is an arithmetic number, because the mean of its divisors is an integer number (16431886908).

Almost surely, 2129629329626 is an apocalyptic number.

129629329626 is an abundant number, since it is smaller than the sum of its proper divisors (133280860902).

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

129629329626 is a wasteful number, since it uses less digits than its factorization.

129629329626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304294277.

The product of its digits is 7558272, while the sum is 57.

The spelling of 129629329626 in words is "one hundred twenty-nine billion, six hundred twenty-nine million, three hundred twenty-nine thousand, six hundred twenty-six".

Divisors: 1 2 3 6 71 142 213 426 304294201 608588402 912882603 1825765206 21604888271 43209776542 64814664813 129629329626