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23071811164 = 2243320341879
BaseRepresentation
bin10101011111001011…
…111110011001011100
32012112220200102222121
4111133023332121130
5334222340424124
614333220552324
71444512105403
oct253713763134
965486612877
1023071811164
11986a488236
12457a8526a4
132238c1318c
14118c26263a
159007972e4
hex55f2fe65c

23071811164 has 24 divisors (see below), whose sum is σ = 41328524160. Its totient is φ = 11263841904.

The previous prime is 23071811027. The next prime is 23071811183. The reversal of 23071811164 is 46111817032.

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, 529977 + ... + 571855.

It is an arithmetic number, because the mean of its divisors is an integer number (1722021840).

Almost surely, 223071811164 is an apocalyptic number.

It is an amenable number.

23071811164 is a deficient number, since it is larger than the sum of its proper divisors (18256712996).

23071811164 is a wasteful number, since it uses less digits than its factorization.

23071811164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45129 (or 45127 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 23071811164 in words is "twenty-three billion, seventy-one million, eight hundred eleven thousand, one hundred sixty-four".

Divisors: 1 2 4 43 86 172 3203 6406 12812 41879 83758 137729 167516 275458 550916 1800797 3601594 7203188 134138437 268276874 536553748 5767952791 11535905582 23071811164