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23989420718 = 238930834731
BaseRepresentation
bin10110010101111000…
…011000001010101110
32021220212022211122122
4112111320120022232
5343112242430333
615004240312542
71506323466044
oct262570301256
967825284578
1023989420718
11a1a044793a
124796012752
132354063c03
141238084394
15956101798
hex595e182ae

23989420718 has 8 divisors (see below), whose sum is σ = 36076636440. Its totient is φ = 11963875240.

The previous prime is 23989420699. The next prime is 23989420733. The reversal of 23989420718 is 81702498932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23989420718.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15416588 + ... + 15418143.

It is an arithmetic number, because the mean of its divisors is an integer number (4509579555).

Almost surely, 223989420718 is an apocalyptic number.

23989420718 is a deficient number, since it is larger than the sum of its proper divisors (12087215722).

23989420718 is a wasteful number, since it uses less digits than its factorization.

23989420718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30835122.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 23989420718 in words is "twenty-three billion, nine hundred eighty-nine million, four hundred twenty thousand, seven hundred eighteen".

Divisors: 1 2 389 778 30834731 61669462 11994710359 23989420718