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8972652321 = 3219617871093
BaseRepresentation
bin10000101101100111…
…11100111100100001
3212011022121222001100
420112303330330201
5121333444333241
64042203025013
7435231200133
oct102663747441
925138558040
108972652321
113894912546
1218a4b0b169
13accbc6639
14611937053
15377ac89b6
hex216cfcf21

8972652321 has 48 divisors (see below), whose sum is σ = 13896600640. Its totient is φ = 5561861760.

The previous prime is 8972652313. The next prime is 8972652401. The reversal of 8972652321 is 1232562798.

8972652321 is a `hidden beast` number, since 89 + 7 + 26 + 523 + 21 = 666.

It is not a de Polignac number, because 8972652321 - 23 = 8972652313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8972657321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8208651 + ... + 8209743.

Almost surely, 28972652321 is an apocalyptic number.

It is an amenable number.

8972652321 is a deficient number, since it is larger than the sum of its proper divisors (4923948319).

8972652321 is a wasteful number, since it uses less digits than its factorization.

8972652321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1963 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 8972652321 is about 94724.0852212361. The cubic root of 8972652321 is about 2077.9748163805.

The spelling of 8972652321 in words is "eight billion, nine hundred seventy-two million, six hundred fifty-two thousand, three hundred twenty-one".

Divisors: 1 3 9 19 57 61 171 183 549 787 1093 1159 2361 3279 3477 7083 9837 10431 14953 20767 44859 48007 62301 66673 134577 144021 186903 200019 432063 600057 860191 912133 1266787 2580573 2736399 3800361 7741719 8209197 11401083 16343629 49030887 52471651 147092661 157414953 472244859 996961369 2990884107 8972652321