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22531405068 = 2233919922679
BaseRepresentation
bin10100111110111110…
…011111010100001100
32011011020210222012000
4110332332133110030
5332121014430233
614203434112300
71425230532414
oct247676372414
964136728160
1022531405068
119612433127
12444987b690
132180c81763
14113a58d644
158bd0ebd13
hex53ef9f50c

22531405068 has 48 divisors (see below), whose sum is σ = 58423680000. Its totient is φ = 7509320784.

The previous prime is 22531405067. The next prime is 22531405177. The reversal of 22531405068 is 86050413522.

22531405068 is a `hidden beast` number, since 2 + 2 + 5 + 3 + 140 + 506 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22531405063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982153 + ... + 1004831.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160000).

Almost surely, 222531405068 is an apocalyptic number.

It is an amenable number.

22531405068 is an abundant number, since it is smaller than the sum of its proper divisors (35892274932).

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

22531405068 is a wasteful number, since it uses less digits than its factorization.

22531405068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31891 (or 31883 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 22531405068 in words is "twenty-two billion, five hundred thirty-one million, four hundred five thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 9199 18398 22679 27597 36796 45358 55194 68037 82791 90716 110388 136074 165582 204111 248373 272148 331164 408222 496746 612333 816444 993492 1224666 2449332 208624121 417248242 625872363 834496484 1251744726 1877617089 2503489452 3755234178 5632851267 7510468356 11265702534 22531405068