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129705956094 = 231113151172443
BaseRepresentation
bin111100011001100010…
…0111101001011111110
3110101210102122021012210
41320303010331023332
54111114211043334
6135330332441250
712241143302331
oct1706304751376
9411712567183
10129705956094
115000a6a3640
122117a319226
13c300cb0a60
1463c6406618
15359212e5e9
hex1e3313d2fe

129705956094 has 32 divisors (see below), whose sum is σ = 304763647104. Its totient is φ = 36281386080.

The previous prime is 129705956063. The next prime is 129705956113. The reversal of 129705956094 is 490659507921.

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, 75585364 + ... + 75587079.

It is an arithmetic number, because the mean of its divisors is an integer number (9523863972).

Almost surely, 2129705956094 is an apocalyptic number.

129705956094 is an abundant number, since it is smaller than the sum of its proper divisors (175057691010).

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

129705956094 is a wasteful number, since it uses less digits than its factorization.

129705956094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151172472.

The product of its (nonzero) digits is 6123600, while the sum is 57.

The spelling of 129705956094 in words is "one hundred twenty-nine billion, seven hundred five million, nine hundred fifty-six thousand, ninety-four".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 151172443 302344886 453517329 907034658 1662896873 1965241759 3325793746 3930483518 4988690619 5895725277 9977381238 11791450554 21617659349 43235318698 64852978047 129705956094