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12113504302031 = 113729762909833
BaseRepresentation
bin1011000001000110010100…
…0111101111001111001111
31120220001001221110001211122
42300101211013233033033
53041431424100131111
641432511141111155
72360112633450656
oct260214507571717
946801057401748
1012113504302031
11395034341a9a0
1214378180b84bb
1369b3b5c01292
142dc42236019d
151601779c4cdb
hexb04651ef3cf

12113504302031 has 8 divisors (see below), whose sum is σ = 13571886884304. Its totient is φ = 10714647539520.

The previous prime is 12113504302027. The next prime is 12113504302061. The reversal of 12113504302031 is 13020340531121.

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 12113504302031 - 22 = 12113504302027 is a prime.

It is a super-2 number, since 2×121135043020312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113504302061) 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, 14881454510 + ... + 14881455323.

It is an arithmetic number, because the mean of its divisors is an integer number (1696485860538).

Almost surely, 212113504302031 is an apocalyptic number.

12113504302031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12113504302031 is a deficient number, since it is larger than the sum of its proper divisors (1458382582273).

12113504302031 is a wasteful number, since it uses less digits than its factorization.

12113504302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29762909881.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12113504302031 its reverse (13020340531121), we get a palindrome (25133844833152).

The spelling of 12113504302031 in words is "twelve trillion, one hundred thirteen billion, five hundred four million, three hundred two thousand, thirty-one".

Divisors: 1 11 37 407 29762909833 327392008163 1101227663821 12113504302031