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23690594140 = 2257116683517
BaseRepresentation
bin10110000100000100…
…011100011101011100
32021011001000212122121
4112010010130131130
5342004243003030
614514443352324
71466034504403
oct260404343534
967131025577
1023690594140
11a0577a5024
124711b226a4
132307187255
14120a4d863a
15939c7547a
hex58411c75c

23690594140 has 24 divisors (see below), whose sum is σ = 50450958432. Its totient is φ = 9342768960.

The previous prime is 23690594101. The next prime is 23690594141. The reversal of 23690594140 is 4149509632.

It is a super-2 number, since 2×236905941402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23690594141) 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, 8340339 + ... + 8343178.

It is an arithmetic number, because the mean of its divisors is an integer number (2102123268).

Almost surely, 223690594140 is an apocalyptic number.

23690594140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23690594140 is an abundant number, since it is smaller than the sum of its proper divisors (26760364292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23690594140 is a wasteful number, since it uses less digits than its factorization.

23690594140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16683597 (or 16683595 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 23690594140 in words is "twenty-three billion, six hundred ninety million, five hundred ninety-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 16683517 33367034 66734068 83417585 166835170 333670340 1184529707 2369059414 4738118828 5922648535 11845297070 23690594140