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23021004132 = 22327159757203
BaseRepresentation
bin10101011100001010…
…001010010101100100
32012102101002011211200
4111130022022111210
5334121334113012
614324204002500
71443324210060
oct253412122544
965371064750
1023021004132
119843836155
124565830430
13222b534649
1411855d8aa0
158eb0ad3dc
hex55c28a564

23021004132 has 72 divisors (see below), whose sum is σ = 66547930176. Its totient is φ = 6573196224.

The previous prime is 23021004119. The next prime is 23021004161. The reversal of 23021004132 is 23140012032.

23021004132 is a `hidden beast` number, since 230 + 21 + 0 + 0 + 413 + 2 = 666.

It is a super-3 number, since 3×230210041323 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373843 + ... + 431045.

It is an arithmetic number, because the mean of its divisors is an integer number (924276808).

Almost surely, 223021004132 is an apocalyptic number.

It is an amenable number.

23021004132 is an abundant number, since it is smaller than the sum of its proper divisors (43526926044).

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

23021004132 is a wasteful number, since it uses less digits than its factorization.

23021004132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58817 (or 58812 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23021004132 its reverse (23140012032), we get a palindrome (46161016164).

The spelling of 23021004132 in words is "twenty-three billion, twenty-one million, four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1597 3194 4791 6388 9582 11179 14373 19164 22358 28746 33537 44716 57203 57492 67074 100611 114406 134148 171609 201222 228812 343218 400421 402444 514827 686436 800842 1029654 1201263 1601684 2059308 2402526 3603789 4805052 7207578 14415156 91353191 182706382 274059573 365412764 548119146 639472337 822178719 1096238292 1278944674 1644357438 1918417011 2557889348 3288714876 3836834022 5755251033 7673668044 11510502066 23021004132