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125915095241 = 1351893186649
BaseRepresentation
bin111010101000100011…
…1111110000011001001
3110001000020110120201222
41311101013332003021
54030333231021431
6133502233251425
712045202436015
oct1652107760311
9401006416658
10125915095241
1149444874791
12204a0863b75
13bb487c6420
146146b73545
15341e41b57b
hex1d511fe0c9

125915095241 has 8 divisors (see below), whose sum is σ = 135604211400. Its totient is φ = 116226456192.

The previous prime is 125915095181. The next prime is 125915095283. The reversal of 125915095241 is 142590519521.

It can be written as a sum of positive squares in 4 ways, for example, as 12911549641 + 113003545600 = 113629^2 + 336160^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125915095241 is a prime.

It is a super-2 number, since 2×1259150952412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125915095192 and 125915095201.

It is not an unprimeable number, because it can be changed into a prime (125915095291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581285 + ... + 767933.

It is an arithmetic number, because the mean of its divisors is an integer number (16950526425).

Almost surely, 2125915095241 is an apocalyptic number.

It is an amenable number.

125915095241 is a deficient number, since it is larger than the sum of its proper divisors (9689116159).

125915095241 is a wasteful number, since it uses less digits than its factorization.

125915095241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238555.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 125915095241 in words is "one hundred twenty-five billion, nine hundred fifteen million, ninety-five thousand, two hundred forty-one".

Divisors: 1 13 51893 186649 674609 2426437 9685776557 125915095241