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97379853140 = 2254868992657
BaseRepresentation
bin101101010110001001…
…0101010001101010100
3100022100120101002110102
41122230102222031110
53043413220300030
6112422524113232
710015110044243
oct1325422521524
9308316332412
1097379853140
113833142aa79
1216a58395818
13924ba3459b
1449db09695a
1527ee1c9c45
hex16ac4aa354

97379853140 has 12 divisors (see below), whose sum is σ = 204497691636. Its totient is φ = 38951941248.

The previous prime is 97379853127. The next prime is 97379853161. The reversal of 97379853140 is 4135897379.

It can be written as a sum of positive squares in 2 ways, for example, as 66318610576 + 31061242564 = 257524^2 + 176242^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434496309 + ... + 2434496348.

It is an arithmetic number, because the mean of its divisors is an integer number (17041474303).

Almost surely, 297379853140 is an apocalyptic number.

It is an amenable number.

97379853140 is an abundant number, since it is smaller than the sum of its proper divisors (107117838496).

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

97379853140 is a wasteful number, since it uses less digits than its factorization.

97379853140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868992666 (or 4868992664 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 97379853140 in words is "ninety-seven billion, three hundred seventy-nine million, eight hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 4868992657 9737985314 19475970628 24344963285 48689926570 97379853140