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23030021021320 = 2356831469957349
BaseRepresentation
bin1010011110010000110000…
…01110001101111010001000
310000112122111202120200022101
411033020120032031322020
511004310440340140240
6120551502352203144
74564602250526335
oct517103016157210
9100478452520271
1023030021021320
117379a82525435
1226bb4575394b4
13cb094c658c81
145989322b198c
1529e0e4ea739a
hex14f21838de88

23030021021320 has 64 divisors (see below), whose sum is σ = 51897850200000. Its totient is φ = 9197734664448.

The previous prime is 23030021021297. The next prime is 23030021021333. The reversal of 23030021021320 is 2312012003032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401548006 + ... + 401605354.

It is an arithmetic number, because the mean of its divisors is an integer number (810903909375).

Almost surely, 223030021021320 is an apocalyptic number.

23030021021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030021021320 is an abundant number, since it is smaller than the sum of its proper divisors (28867829178680).

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

23030021021320 is a wasteful number, since it uses less digits than its factorization.

23030021021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72742 (or 72738 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23030021021320 its reverse (2312012003032), we get a palindrome (25342033024352).

The spelling of 23030021021320 in words is "twenty-three trillion, thirty billion, twenty-one million, twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 683 1366 2732 3415 5464 6830 13660 14699 27320 29398 57349 58796 73495 114698 117592 146990 229396 286745 293980 458792 573490 587960 1146980 2293960 10039417 20078834 39169367 40157668 50197085 78338734 80315336 100394170 156677468 195846835 200788340 313354936 391693670 401576680 783387340 842972951 1566774680 1685945902 3371891804 4214864755 6743783608 8429729510 16859459020 33718918040 575750525533 1151501051066 2303002102132 2878752627665 4606004204264 5757505255330 11515010510660 23030021021320