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97981319332 = 22137001269141
BaseRepresentation
bin101101101000000100…
…1000100100010100100
3100100220111010201222001
41123100021010202210
53101131204204312
6113002331415044
710036032321061
oct1332011044244
9310814121861
1097981319332
113860a99a476
1216ba58b4484
139316524640
144a56d01c68
152836dd7057
hex16d02448a4

97981319332 has 24 divisors (see below), whose sum is σ = 184684163832. Its totient is φ = 45215520000.

The previous prime is 97981319321. The next prime is 97981319339. The reversal of 97981319332 is 23391318979.

It can be written as a sum of positive squares in 4 ways, for example, as 22335076 + 97958984256 = 4726^2 + 312984^2 .

It is not an unprimeable number, because it can be changed into a prime (97981319339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229482 + ... + 498622.

It is an arithmetic number, because the mean of its divisors is an integer number (7695173493).

Almost surely, 297981319332 is an apocalyptic number.

It is an amenable number.

97981319332 is a deficient number, since it is larger than the sum of its proper divisors (86702844500).

97981319332 is a wasteful number, since it uses less digits than its factorization.

97981319332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276159 (or 276157 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 55.

The spelling of 97981319332 in words is "ninety-seven billion, nine hundred eighty-one million, three hundred nineteen thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 7001 14002 28004 91013 182026 269141 364052 538282 1076564 3498833 6997666 13995332 1884256141 3768512282 7537024564 24495329833 48990659666 97981319332