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107961970725625 = 5479252612
BaseRepresentation
bin11000100011000011011010…
…111010100001001011111001
3112011021001201100220121222111
4120203003122322201023321
5103122322104001210000
61021341013351252321
731511665164515452
oct3043033272411371
9464231640817874
10107961970725625
1131444461a03735
121013790567a0a1
134831a02052293
141c9355c91c129
15c73512c7bcba
hex6230daea12f9

107961970725625 has 45 divisors (see below), whose sum is σ = 136664584539483. Its totient is φ = 85260081660000.

The previous prime is 107961970725619. The next prime is 107961970725649. The reversal of 107961970725625 is 526527079169701.

The square root of 107961970725625 is 10390475.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 57054259444329 + 50907711281296 = 7553427^2 + 7134964^2 .

It is not a de Polignac number, because 107961970725625 - 23 = 107961970725617 is a prime.

It is a Duffinian 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 44 ways as a sum of consecutive naturals, for example, 20521185495 + ... + 20521190755.

Almost surely, 2107961970725625 is an apocalyptic number.

107961970725625 is the 10390475-th square number.

107961970725625 is the 5195238-th centered octagonal number.

It is an amenable number.

107961970725625 is a deficient number, since it is larger than the sum of its proper divisors (28702613813858).

107961970725625 is an frugal number, since it uses more digits than its factorization.

107961970725625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 100018800, while the sum is 67.

The spelling of 107961970725625 in words is "one hundred seven trillion, nine hundred sixty-one billion, nine hundred seventy million, seven hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 79 125 395 625 1975 5261 6241 9875 26305 31205 49375 131525 156025 415619 657625 780125 2078095 3288125 3900625 10390475 27678121 32833901 51952375 138390605 164169505 259761875 691953025 820847525 2186571559 3459765125 4104237625 10932857795 17298825625 20521188125 54664288975 172739153161 273321444875 863695765805 1366607224375 4318478829025 21592394145125 107961970725625