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23066988500 = 225361217537
BaseRepresentation
bin10101011110111001…
…100100111111010100
32012112120121102112102
4111132321210333110
5334220122113000
614332525341232
71444423111223
oct253671447724
965476542472
1023066988500
119867793966
124579107818
132237c1502a
14118b768cba
159001433d5
hex55ee64fd4

23066988500 has 48 divisors (see below), whose sum is σ = 50393218512. Its totient is φ = 9224064000.

The previous prime is 23066988479. The next prime is 23066988541. The reversal of 23066988500 is 588966032.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13260443716 + 9806544784 = 115154^2 + 99028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3056732 + ... + 3064268.

It is an arithmetic number, because the mean of its divisors is an integer number (1049858719).

Almost surely, 223066988500 is an apocalyptic number.

23066988500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23066988500 is an abundant number, since it is smaller than the sum of its proper divisors (27326230012).

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

23066988500 is a wasteful number, since it uses less digits than its factorization.

23066988500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677 (or 13665 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 23066988500 in words is "twenty-three billion, sixty-six million, nine hundred eighty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 6121 7537 12242 15074 24484 30148 30605 37685 61210 75370 122420 150740 153025 188425 306050 376850 612100 753700 765125 942125 1530250 1884250 3060500 3768500 46133977 92267954 184535908 230669885 461339770 922679540 1153349425 2306698850 4613397700 5766747125 11533494250 23066988500