Search a number
-
+
12953181370 = 251295318137
BaseRepresentation
bin11000001000001000…
…11101110010111010
31020102201200210101011
430010010131302322
5203012003300440
65541155344134
7635664140113
oct140404356272
936381623334
1012953181370
115547807978
122615bb204a
1312b578b67c
148ac45d20a
1550c2a49ea
hex30411dcba

12953181370 has 8 divisors (see below), whose sum is σ = 23315726484. Its totient is φ = 5181272544.

The previous prime is 12953181361. The next prime is 12953181379. The reversal of 12953181370 is 7318135921.

It is an interprime number because it is at equal distance from previous prime (12953181361) and next prime (12953181379).

It can be written as a sum of positive squares in 2 ways, for example, as 12935195289 + 17986081 = 113733^2 + 4241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12953181379) 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, 647659059 + ... + 647659078.

Almost surely, 212953181370 is an apocalyptic number.

12953181370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12953181370 is a deficient number, since it is larger than the sum of its proper divisors (10362545114).

12953181370 is a wasteful number, since it uses less digits than its factorization.

12953181370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295318144.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 12953181370 in words is "twelve billion, nine hundred fifty-three million, one hundred eighty-one thousand, three hundred seventy".

Divisors: 1 2 5 10 1295318137 2590636274 6476590685 12953181370