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23753641639 = 713299001001
BaseRepresentation
bin10110000111110100…
…111100111010100111
32021022102200000120011
4112013310330322213
5342121413013024
614525014551051
71500431423350
oct260764747247
967272600504
1023753641639
11a08a3475a2
12472b068487
132317260370
141214a2ad27
1594057b094
hex587d3cea7

23753641639 has 16 divisors (see below), whose sum is σ = 30243366720. Its totient is φ = 18146016000.

The previous prime is 23753641619. The next prime is 23753641741. The reversal of 23753641639 is 93614635732.

It is not a de Polignac number, because 23753641639 - 25 = 23753641607 is a prime.

It is a super-2 number, since 2×237536416392 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23753641592 and 23753641601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23753641619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4497862 + ... + 4503139.

It is an arithmetic number, because the mean of its divisors is an integer number (1890210420).

Almost surely, 223753641639 is an apocalyptic number.

23753641639 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23753641639 is a deficient number, since it is larger than the sum of its proper divisors (6489725081).

23753641639 is a wasteful number, since it uses less digits than its factorization.

23753641639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9001050.

The product of its digits is 2449440, while the sum is 49.

The spelling of 23753641639 in words is "twenty-three billion, seven hundred fifty-three million, six hundred forty-one thousand, six hundred thirty-nine".

Divisors: 1 7 13 29 91 203 377 2639 9001001 63007007 117013013 261029029 819091091 1827203203 3393377377 23753641639