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89175421825 = 5271134509503
BaseRepresentation
bin101001100001101000…
…1001111001110000001
322112011210021210111221
41103003101033032001
52430112401444300
6104544442435041
76304564402360
oct1230321171601
9275153253457
1089175421825
1134901223326
1215348802a81
1385420451b9
14445d5b57d7
1524bdc9c31a
hex14c344f381

89175421825 has 24 divisors (see below), whose sum is σ = 127492697088. Its totient is φ = 60607706880.

The previous prime is 89175421823. The next prime is 89175421871. The reversal of 89175421825 is 52812457198.

It is not a de Polignac number, because 89175421825 - 21 = 89175421823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89175421823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2234977 + ... + 2274526.

It is an arithmetic number, because the mean of its divisors is an integer number (5312195712).

Almost surely, 289175421825 is an apocalyptic number.

It is an amenable number.

89175421825 is a deficient number, since it is larger than the sum of its proper divisors (38317275263).

89175421825 is a wasteful number, since it uses less digits than its factorization.

89175421825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509633 (or 4509628 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 52.

The spelling of 89175421825 in words is "eighty-nine billion, one hundred seventy-five million, four hundred twenty-one thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 113 175 565 791 2825 3955 19775 4509503 22547515 31566521 112737575 157832605 509573839 789163025 2547869195 3567016873 12739345975 17835084365 89175421825