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156550130125 = 531252401041
BaseRepresentation
bin1001000111001100011…
…1010110100111001101
3112222002020200121012121
42101303013112213031
510031103313131000
6155530152332541
714211313102354
oct2216307264715
9488066617177
10156550130125
1160435515934
12264103a4151
13119bb6029bc
14781168499b
154113b83b1a
hex24731d69cd

156550130125 has 8 divisors (see below), whose sum is σ = 195374562552. Its totient is φ = 125240104000.

The previous prime is 156550130123. The next prime is 156550130161. The reversal of 156550130125 is 521031055651.

It can be written as a sum of positive squares in 4 ways, for example, as 39785089444 + 116765040681 = 199462^2 + 341709^2 .

It is not a de Polignac number, because 156550130125 - 21 = 156550130123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156550130123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626200396 + ... + 626200645.

It is an arithmetic number, because the mean of its divisors is an integer number (24421820319).

Almost surely, 2156550130125 is an apocalyptic number.

It is an amenable number.

156550130125 is a deficient number, since it is larger than the sum of its proper divisors (38824432427).

156550130125 is an equidigital number, since it uses as much as digits as its factorization.

156550130125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252401056 (or 1252401046 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 156550130125 its reverse (521031055651), we get a palindrome (677581185776).

The spelling of 156550130125 in words is "one hundred fifty-six billion, five hundred fifty million, one hundred thirty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1252401041 6262005205 31310026025 156550130125