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23217108672 = 263196364339
BaseRepresentation
bin10101100111110110…
…001111011011000000
32012221001002022200210
4111213312033123000
5340022034434142
614355451114120
71451225111322
oct254766173300
965831068623
1023217108672
1199344a841a
1245bb442940
132260056834
1411a3685612
1590d3e849c
hex567d8f6c0

23217108672 has 56 divisors (see below), whose sum is σ = 64661694400. Its totient is φ = 7331717376.

The previous prime is 23217108667. The next prime is 23217108727. The reversal of 23217108672 is 27680171232.

It is a self number, because there is not a number n which added to its sum of digits gives 23217108672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3178522 + ... + 3185817.

Almost surely, 223217108672 is an apocalyptic number.

It is an amenable number.

23217108672 is an abundant number, since it is smaller than the sum of its proper divisors (41444585728).

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

23217108672 is a wasteful number, since it uses less digits than its factorization.

23217108672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364373 (or 6364363 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 23217108672 in words is "twenty-three billion, two hundred seventeen million, one hundred eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 912 1216 1824 3648 6364339 12728678 19093017 25457356 38186034 50914712 76372068 101829424 120922441 152744136 203658848 241844882 305488272 362767323 407317696 483689764 610976544 725534646 967379528 1221953088 1451069292 1934759056 2902138584 3869518112 5804277168 7739036224 11608554336 23217108672