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25706121663130 = 254766182744139
BaseRepresentation
bin1011101100001001011000…
…10000000001001010011010
310101000110222211001201220221
411312010230100001022122
511332132114121210010
6130401121304310254
75262130441624666
oct566045420011232
9111013884051827
1025706121663130
1182109a5581317
122a7202817238a
1311460ccb6a8bc
1464c27bd478a6
152e8a1dccadda
hex17612c40129a

25706121663130 has 32 divisors (see below), whose sum is σ = 47327000267520. Its totient is φ = 10048448118720.

The previous prime is 25706121663073. The next prime is 25706121663169. The reversal of 25706121663130 is 3136612160752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41061400 + ... + 41682739.

It is an arithmetic number, because the mean of its divisors is an integer number (1478968758360).

Almost surely, 225706121663130 is an apocalyptic number.

25706121663130 is a deficient number, since it is larger than the sum of its proper divisors (21620878604390).

25706121663130 is a wasteful number, since it uses less digits than its factorization.

25706121663130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82744854.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 25706121663130 in words is "twenty-five trillion, seven hundred six billion, one hundred twenty-one million, six hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 661 1322 3305 6610 31067 62134 155335 310670 82744139 165488278 413720695 827441390 3888974533 7777949066 19444872665 38889745330 54693875879 109387751758 273469379395 546938758790 2570612166313 5141224332626 12853060831565 25706121663130