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13230051370 = 251323005137
BaseRepresentation
bin11000101001001001…
…01001000000101010
31021011000200020121121
430110210221000222
5204043343120440
610024445525454
7645565403224
oct142444510052
937130606547
1013230051370
11567a023458
12269287388a
13132ac4b483
148d7131414
1552674534a
hex31492902a

13230051370 has 8 divisors (see below), whose sum is σ = 23814092484. Its totient is φ = 5292020544.

The previous prime is 13230051349. The next prime is 13230051539. The reversal of 13230051370 is 7315003231.

It can be written as a sum of positive squares in 2 ways, for example, as 10949320321 + 2280731049 = 104639^2 + 47757^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661502559 + ... + 661502578.

Almost surely, 213230051370 is an apocalyptic number.

13230051370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13230051370 is a deficient number, since it is larger than the sum of its proper divisors (10584041114).

13230051370 is a wasteful number, since it uses less digits than its factorization.

13230051370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323005144.

The product of its (nonzero) digits is 1890, while the sum is 25.

The spelling of 13230051370 in words is "thirteen billion, two hundred thirty million, fifty-one thousand, three hundred seventy".

Divisors: 1 2 5 10 1323005137 2646010274 6615025685 13230051370