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21325888701 = 32131516311913
BaseRepresentation
bin10011110111000111…
…110011110010111101
32001001020102101121200
4103313013303302331
5322133411414301
613444051450113
71353322030425
oct236707636275
961036371550
1021325888701
1190539a9907
124171bb6939
13201b2a8470
141064425485
1584c371c86
hex4f71f3cbd

21325888701 has 48 divisors (see below), whose sum is σ = 33463702272. Its totient is φ = 13009248000.

The previous prime is 21325888681. The next prime is 21325888721. The reversal of 21325888701 is 10788852312.

It is an interprime number because it is at equal distance from previous prime (21325888681) and next prime (21325888721).

It is not a de Polignac number, because 21325888701 - 213 = 21325880509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21325888721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11146921 + ... + 11148833.

It is an arithmetic number, because the mean of its divisors is an integer number (697160464).

Almost surely, 221325888701 is an apocalyptic number.

It is an amenable number.

21325888701 is a deficient number, since it is larger than the sum of its proper divisors (12137813571).

21325888701 is a wasteful number, since it uses less digits than its factorization.

21325888701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 21325888701 in words is "twenty-one billion, three hundred twenty-five million, eight hundred eighty-eight thousand, seven hundred one".

Divisors: 1 3 9 13 39 117 151 453 631 1359 1893 1913 1963 5679 5739 5889 8203 17217 17667 24609 24869 73827 74607 95281 223821 285843 288863 857529 866589 1207103 1238653 2599767 3621309 3715959 3755219 10863927 11147877 11265657 15692339 33796971 47077017 141231051 182272553 546817659 1640452977 2369543189 7108629567 21325888701