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89460372021 = 3173479335963
BaseRepresentation
bin101001101010001000…
…0001111001000110101
322112220122110202200220
41103110100033020311
52431203323401041
6105033022124553
76314624421066
oct1232420171065
9275818422626
1089460372021
1134a38058659
1215408120759
1385890a3a97
14448938c56d
1524d8cd6d66
hex14d440f235

89460372021 has 16 divisors (see below), whose sum is σ = 119998345536. Its totient is φ = 59281486976.

The previous prime is 89460371999. The next prime is 89460372031. The reversal of 89460372021 is 12027306498.

It is a cyclic number.

It is not a de Polignac number, because 89460372021 - 229 = 88923501109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89460372031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469586 + ... + 2505548.

It is an arithmetic number, because the mean of its divisors is an integer number (7499896596).

Almost surely, 289460372021 is an apocalyptic number.

It is an amenable number.

89460372021 is a deficient number, since it is larger than the sum of its proper divisors (30537973515).

89460372021 is a wasteful number, since it uses less digits than its factorization.

89460372021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40932.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 89460372021 in words is "eighty-nine billion, four hundred sixty million, three hundred seventy-two thousand, twenty-one".

Divisors: 1 3 173 519 4793 14379 35963 107889 829189 2487567 6221599 18664797 172370659 517111977 29820124007 89460372021