Search a number
-
+
12445510153 = 107269432391
BaseRepresentation
bin10111001011100111…
…10110101000001001
31012010100102102101111
423211303312220021
5200442022311103
65414542250321
7620261043106
oct134563665011
935110372344
1012445510153
115307190a8a
1224b3b869a1
13123454b9bb
14860c6baad
154cc92386d
hex2e5cf6a09

12445510153 has 8 divisors (see below), whose sum is σ = 12608550720. Its totient is φ = 12283335120.

The previous prime is 12445510117. The next prime is 12445510157. The reversal of 12445510153 is 35101554421.

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

It is a cyclic number.

It is not a de Polignac number, because 12445510153 - 233 = 3855575561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12445510157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187413 + ... + 244978.

It is an arithmetic number, because the mean of its divisors is an integer number (1576068840).

Almost surely, 212445510153 is an apocalyptic number.

It is an amenable number.

12445510153 is a deficient number, since it is larger than the sum of its proper divisors (163040567).

12445510153 is a wasteful number, since it uses less digits than its factorization.

12445510153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432767.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12445510153 in words is "twelve billion, four hundred forty-five million, five hundred ten thousand, one hundred fifty-three".

Divisors: 1 107 269 28783 432391 46265837 116313179 12445510153