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97974823122 = 2321121923532
BaseRepresentation
bin101101100111111000…
…0010010100011010010
3100100220000220200211200
41123033300102203102
53101123023314442
6113001540252030
710035623153511
oct1331760224322
9310800820750
1097974823122
1138607262800
1216ba36a1016
13931508b827
144a560d0678
15283655234c
hex16cfc128d2

97974823122 has 162 divisors, whose sum is σ = 246957753861. Its totient is φ = 28047064320.

The previous prime is 97974823109. The next prime is 97974823127. The reversal of 97974823122 is 22132847979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97106401161 + 868421961 = 311619^2 + 29469^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=221331.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (97974823127) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 277548898 + ... + 277549250.

Almost surely, 297974823122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97974823122

97974823122 is an abundant number, since it is smaller than the sum of its proper divisors (148982930739).

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

97974823122 is a wasteful number, since it uses less digits than its factorization.

97974823122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 388 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 97974823122 in words is "ninety-seven billion, nine hundred seventy-four million, eight hundred twenty-three thousand, one hundred twenty-two".