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13011312001023 = 327206528761921
BaseRepresentation
bin1011110101010110111010…
…1000010011111111111111
31201001212110201000201110100
42331111232220103333333
53201134131333013043
643401151512012143
72512015304126250
oct275255650237777
951055421021410
1013011312001023
114167080469576
12156181a091053
13734c6642314b
1432da72510b27
151786c2805cd3
hexbd56ea13fff

13011312001023 has 12 divisors (see below), whose sum is σ = 21478991239888. Its totient is φ = 7435035429120.

The previous prime is 13011312001021. The next prime is 13011312001069. The reversal of 13011312001023 is 32010021311031.

13011312001023 is a `hidden beast` number, since 1 + 301 + 131 + 200 + 10 + 23 = 666.

It is not a de Polignac number, because 13011312001023 - 21 = 13011312001021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13011312000987 and 13011312001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011312001021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103264380898 + ... + 103264381023.

Almost surely, 213011312001023 is an apocalyptic number.

13011312001023 is a deficient number, since it is larger than the sum of its proper divisors (8467679238865).

13011312001023 is a wasteful number, since it uses less digits than its factorization.

13011312001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206528761934 (or 206528761931 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13011312001023 its reverse (32010021311031), we get a palindrome (45021333312054).

The spelling of 13011312001023 in words is "thirteen trillion, eleven billion, three hundred twelve million, one thousand, twenty-three".

Divisors: 1 3 7 9 21 63 206528761921 619586285763 1445701333447 1858758857289 4337104000341 13011312001023