Search a number
-
+
13530858272 = 25422839321
BaseRepresentation
bin11001001101000000…
…01000001100100000
31021220222200211002222
430212200020030200
5210202344431042
610114353130212
7656210253251
oct144640101440
937828624088
1013530858272
1158138a90a8
122757559968
13137836c619
14925074b28
15542d632d2
hex326808320

13530858272 has 12 divisors (see below), whose sum is σ = 26638877286. Its totient is φ = 6765429120.

The previous prime is 13530858199. The next prime is 13530858307. The reversal of 13530858272 is 27285803531.

It can be written as a sum of positive squares in only one way, i.e., 12240324496 + 1290533776 = 110636^2 + 35924^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211419629 + ... + 211419692.

Almost surely, 213530858272 is an apocalyptic number.

It is an amenable number.

13530858272 is a deficient number, since it is larger than the sum of its proper divisors (13108019014).

13530858272 is an equidigital number, since it uses as much as digits as its factorization.

13530858272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422839331 (or 422839323 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 13530858272 in words is "thirteen billion, five hundred thirty million, eight hundred fifty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 422839321 845678642 1691357284 3382714568 6765429136 13530858272