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23672990940 = 2235394549849
BaseRepresentation
bin10110000011000001…
…010010110011011100
32021002210220112121020
4112003001102303130
5341440241202230
614513014204140
71465432050204
oct260301226334
967083815536
1023672990940
11a048871525
124708053650
132303632a61
141208035404
15938449810
hex583052cdc

23672990940 has 24 divisors (see below), whose sum is σ = 66284374800. Its totient is φ = 6312797568.

The previous prime is 23672990933. The next prime is 23672990981. The reversal of 23672990940 is 4909927632.

It is a super-3 number, since 3×236729909403 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197274865 + ... + 197274984.

It is an arithmetic number, because the mean of its divisors is an integer number (2761848950).

Almost surely, 223672990940 is an apocalyptic number.

23672990940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23672990940 is an abundant number, since it is smaller than the sum of its proper divisors (42611383860).

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

23672990940 is a wasteful number, since it uses less digits than its factorization.

23672990940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394549861 (or 394549859 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 23672990940 in words is "twenty-three billion, six hundred seventy-two million, nine hundred ninety thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 394549849 789099698 1183649547 1578199396 1972749245 2367299094 3945498490 4734598188 5918247735 7890996980 11836495470 23672990940