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20210023113 = 3717194172671
BaseRepresentation
bin10010110100100111…
…000111101011001001
31221011110201112210120
4102310213013223021
5312342231214423
613141230533453
71313552235120
oct226447075311
957143645716
1020210023113
118631038545
123b00367289
131ba1061177
14d9a156ab7
157d4404ee3
hex4b49c7ac9

20210023113 has 64 divisors (see below), whose sum is σ = 35161620480. Its totient is φ = 10045900800.

The previous prime is 20210023109. The next prime is 20210023133. The reversal of 20210023113 is 31132001202.

It is not a de Polignac number, because 20210023113 - 22 = 20210023109 is a prime.

It is a super-3 number, since 3×202100231133 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20210023092 and 20210023101.

It is not an unprimeable number, because it can be changed into a prime (20210023133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241768 + ... + 314438.

It is an arithmetic number, because the mean of its divisors is an integer number (549400320).

Almost surely, 220210023113 is an apocalyptic number.

It is an amenable number.

20210023113 is a deficient number, since it is larger than the sum of its proper divisors (14951597367).

20210023113 is a wasteful number, since it uses less digits than its factorization.

20210023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72758.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20210023113 its reverse (31132001202), we get a palindrome (51342024315).

The spelling of 20210023113 in words is "twenty billion, two hundred ten million, twenty-three thousand, one hundred thirteen".

Divisors: 1 3 7 17 19 21 41 51 57 119 123 133 287 323 357 399 697 779 861 969 2091 2261 2337 4879 5453 6783 13243 14637 16359 39729 72671 92701 218013 278103 508697 1235407 1380749 1526091 2979511 3706221 4142247 8647849 8938533 9665243 20856577 23472733 25943547 28995729 50651687 56610709 62569731 70418199 151955061 164309131 169832127 354561809 396274963 492927393 962382053 1063685427 1188824889 2887146159 6736674371 20210023113