Search a number
-
+
13197482251 = 194123591151
BaseRepresentation
bin11000100101010000…
…11001100100001011
31021001202101120011221
430102220121210023
5204012023413001
610021323502511
7645021514432
oct142250314413
937052346157
1013197482251
1156626a8828
122683987a37
131324286cc5
148d2a94119
155239601a1
hex312a1990b

13197482251 has 24 divisors (see below), whose sum is σ = 14291251200. Its totient is φ = 12153384000.

The previous prime is 13197482239. The next prime is 13197482257. The reversal of 13197482251 is 15228479131.

It is not a de Polignac number, because 13197482251 - 215 = 13197449483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13197482198 and 13197482207.

It is not an unprimeable number, because it can be changed into a prime (13197482257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11465526 + ... + 11466676.

It is an arithmetic number, because the mean of its divisors is an integer number (595468800).

Almost surely, 213197482251 is an apocalyptic number.

13197482251 is a deficient number, since it is larger than the sum of its proper divisors (1093768949).

13197482251 is a wasteful number, since it uses less digits than its factorization.

13197482251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1570 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The spelling of 13197482251 in words is "thirteen billion, one hundred ninety-seven million, four hundred eighty-two thousand, two hundred fifty-one".

Divisors: 1 19 41 359 779 1151 1681 6821 14719 21869 31939 47191 279661 413209 603479 896629 1934831 7850971 11466101 16941569 36761789 321889811 694604329 13197482251