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23133032320321 = 71119231045965731
BaseRepresentation
bin1010100001010000101000…
…01011001000110101000001
310000220111101210111212012201
411100220110023020311001
511013002422233222241
6121111100205553201
74605210051240250
oct520502413106501
9100814353455181
1023133032320321
117409733738aa0
122717405875801
13cba587ca7b31
1459d90523a797
152a1b23768931
hex150a142c8d41

23133032320321 has 64 divisors (see below), whose sum is σ = 31682613657600. Its totient is φ = 16332727118400.

The previous prime is 23133032320291. The next prime is 23133032320327. The reversal of 23133032320321 is 12302323033132.

It is not a de Polignac number, because 23133032320321 - 27 = 23133032320193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23133032320321.

It is not an unprimeable number, because it can be changed into a prime (23133032320327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351902026 + ... + 351967756.

It is an arithmetic number, because the mean of its divisors is an integer number (495040838400).

Almost surely, 223133032320321 is an apocalyptic number.

It is an amenable number.

23133032320321 is a deficient number, since it is larger than the sum of its proper divisors (8549581337279).

23133032320321 is a wasteful number, since it uses less digits than its factorization.

23133032320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76250.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 23133032320321 its reverse (12302323033132), we get a palindrome (35435355353453).

The spelling of 23133032320321 in words is "twenty-three trillion, one hundred thirty-three billion, thirty-two million, three hundred twenty thousand, three hundred twenty-one".

Divisors: 1 7 11 19 23 77 133 161 209 253 437 1463 1771 3059 4807 10459 33649 65731 73213 115049 198721 240557 460117 723041 805343 1248889 1391047 1511813 1683899 2185931 2646127 4570583 5061287 8742223 10582691 13737779 15301517 16629943 18522889 28724447 31994081 50276413 96164453 116409601 201071129 315968917 351934891 687480529 2211782419 4812363703 7562285819 13062130051 15812052167 52936000733 91434910357 110684365169 143683430561 173932573837 300428991173 1005784013927 1217528016859 2103002938211 3304718902903 23133032320321