Search a number
-
+
13123202212210 = 251312320221221
BaseRepresentation
bin1011111011110111101111…
…0011100110000101110010
31201110120021112012101010011
42332331323303212011302
53210002304231242320
643524414343325134
72523056120206426
oct276757363460562
951416245171104
1013123202212210
1141aa578589292
12157b445a507aa
137426884071bc
14335248770b86
1517b57082605a
hexbef7bce6172

13123202212210 has 8 divisors (see below), whose sum is σ = 23621763981996. Its totient is φ = 5249280884880.

The previous prime is 13123202212157. The next prime is 13123202212261. The reversal of 13123202212210 is 1221220232131.

It can be written as a sum of positive squares in 2 ways, for example, as 13105609107889 + 17593104321 = 3620167^2 + 132639^2 .

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, 656160110601 + ... + 656160110620.

Almost surely, 213123202212210 is an apocalyptic number.

13123202212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123202212210 is a deficient number, since it is larger than the sum of its proper divisors (10498561769786).

13123202212210 is a wasteful number, since it uses less digits than its factorization.

13123202212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312320221228.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13123202212210 its reverse (1221220232131), we get a palindrome (14344422444341).

The spelling of 13123202212210 in words is "thirteen trillion, one hundred twenty-three billion, two hundred two million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 1312320221221 2624640442442 6561601106105 13123202212210