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13100020403111 = 57385122828261
BaseRepresentation
bin1011111010100001011000…
…0100000000101110100111
31201101100102221112110022222
42332220112010000232213
53204112320210344421
643510022152542555
72521305501115235
oct276502604005647
951340387473288
1013100020403111
1141a0762000a74
121576a563b1a5b
1374043278c8b5
14334089a77955
1517ab655a1cab
hexbea16100ba7

13100020403111 has 4 divisors (see below), whose sum is σ = 13100043805224. Its totient is φ = 13099997001000.

The previous prime is 13100020403009. The next prime is 13100020403117. The reversal of 13100020403111 is 11130402000131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13100020403111 is a prime.

It is a super-2 number, since 2×131000204031112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13100020403111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100020403117) 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, 10840280 + ... + 11987981.

It is an arithmetic number, because the mean of its divisors is an integer number (3275010951306).

Almost surely, 213100020403111 is an apocalyptic number.

13100020403111 is a deficient number, since it is larger than the sum of its proper divisors (23402113).

13100020403111 is an equidigital number, since it uses as much as digits as its factorization.

13100020403111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23402112.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13100020403111 its reverse (11130402000131), we get a palindrome (24230422403242).

The spelling of 13100020403111 in words is "thirteen trillion, one hundred billion, twenty million, four hundred three thousand, one hundred eleven".

Divisors: 1 573851 22828261 13100020403111