Search a number
-
+
125113212033413 = 223755929017449
BaseRepresentation
bin11100011100101000110000…
…100011110101100110000101
3121101222201001212022100020012
4130130220300203311212011
5112344323324240032123
61122032114404120005
735232063012305552
oct3434506043654605
9541881055270205
10125113212033413
113695724055304a
1212047941696005
1354a71822b0906
1422c7724437a29
15e6e735e48378
hex71ca308f5985

125113212033413 has 4 divisors (see below), whose sum is σ = 125169141053100. Its totient is φ = 125057283013728.

The previous prime is 125113212033401. The next prime is 125113212033421. The reversal of 125113212033413 is 314330212311521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118278631857604 + 6834580175809 = 10875598^2 + 2614303^2 .

It is a cyclic number.

It is not a de Polignac number, because 125113212033413 - 220 = 125113210984837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125113212033413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125113212033493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27964506488 + ... + 27964510961.

It is an arithmetic number, because the mean of its divisors is an integer number (31292285263275).

Almost surely, 2125113212033413 is an apocalyptic number.

It is an amenable number.

125113212033413 is a deficient number, since it is larger than the sum of its proper divisors (55929019687).

125113212033413 is an equidigital number, since it uses as much as digits as its factorization.

125113212033413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55929019686.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 125113212033413 its reverse (314330212311521), we get a palindrome (439443424344934).

The spelling of 125113212033413 in words is "one hundred twenty-five trillion, one hundred thirteen billion, two hundred twelve million, thirty-three thousand, four hundred thirteen".

Divisors: 1 2237 55929017449 125113212033413