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22102500972 = 22317530320431
BaseRepresentation
bin10100100101011010…
…010110011001101100
32010001100202101101010
4110211122112121230
5330231220012342
614053113145220
71411502105226
oct244532263154
963040671333
1022102500972
119412316132
12434a0bb210
13211315cc56
1410d9623416
1589562929c
hex52569666c

22102500972 has 48 divisors (see below), whose sum is σ = 54619149312. Its totient is φ = 6932471040.

The previous prime is 22102500971. The next prime is 22102501027. The reversal of 22102500972 is 27900520122.

It is not an unprimeable number, because it can be changed into a prime (22102500971) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1071597 + ... + 1092027.

It is an arithmetic number, because the mean of its divisors is an integer number (1137898944).

Almost surely, 222102500972 is an apocalyptic number.

It is an amenable number.

22102500972 is an abundant number, since it is smaller than the sum of its proper divisors (32516648340).

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

22102500972 is a wasteful number, since it uses less digits than its factorization.

22102500972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25758 (or 25756 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 22102500972 in words is "twenty-two billion, one hundred two million, five hundred thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 5303 10606 15909 20431 21212 31818 40862 61293 63636 81724 90151 122586 180302 245172 270453 347327 360604 540906 694654 1041981 1081812 1389308 2083962 4167924 108345593 216691186 325036779 433382372 650073558 1300147116 1841875081 3683750162 5525625243 7367500324 11051250486 22102500972