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10155660312125 = 53612295816113
BaseRepresentation
bin1001001111001000110010…
…0001100111111000111101
31022221212112102120102012202
42103302030201213320331
52312342243014442000
633333240153441245
72065502505226256
oct223621441477075
938855472512182
1010155660312125
113265a9a541479
12118029a110225
135888a02bb1a3
14271772547b2d
1512928a90bdd5
hex93c8c867e3d

10155660312125 has 32 divisors (see below), whose sum is σ = 12938294559840. Its totient is φ = 7956441216000.

The previous prime is 10155660312097. The next prime is 10155660312131. The reversal of 10155660312125 is 52121306655101.

It can be written as a sum of positive squares in 16 ways, for example, as 5100524132356 + 5055136179769 = 2258434^2 + 2248363^2 .

It is not a de Polignac number, because 10155660312125 - 212 = 10155660308029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1161932 + ... + 4654181.

It is an arithmetic number, because the mean of its divisors is an integer number (404321704995).

Almost surely, 210155660312125 is an apocalyptic number.

It is an amenable number.

10155660312125 is a deficient number, since it is larger than the sum of its proper divisors (2782634247715).

10155660312125 is an equidigital number, since it uses as much as digits as its factorization.

10155660312125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816418 (or 5816408 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

Adding to 10155660312125 its reverse (52121306655101), we get a palindrome (62276966967226).

The spelling of 10155660312125 in words is "ten trillion, one hundred fifty-five billion, six hundred sixty million, three hundred twelve thousand, one hundred twenty-five".

Divisors: 1 5 25 61 125 229 305 1145 1525 5725 7625 13969 28625 69845 349225 1746125 5816113 29080565 145402825 354782893 727014125 1331889877 1773914465 6659449385 8869572325 33297246925 44347861625 81245282497 166486234625 406226412485 2031132062425 10155660312125