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97100842240 = 28575860033
BaseRepresentation
bin101101001101110101…
…0010100010100000000
3100021122010100212110101
41122123222110110000
53042330303422430
6112335120012144
710005151353343
oct1323352242400
9307563325411
1097100842240
11381a8991a56
121699aa61054
139205ca518c
1449b1dc845a
1527d4964dca
hex169ba94500

97100842240 has 36 divisors (see below), whose sum is σ = 232586864244. Its totient is φ = 38840336384.

The previous prime is 97100842183. The next prime is 97100842277. The reversal of 97100842240 is 4224800179.

It can be written as a sum of positive squares in 2 ways, for example, as 62308147456 + 34792694784 = 249616^2 + 186528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97100842240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37928737 + ... + 37931296.

It is an arithmetic number, because the mean of its divisors is an integer number (6460746229).

Almost surely, 297100842240 is an apocalyptic number.

It is an amenable number.

97100842240 is an abundant number, since it is smaller than the sum of its proper divisors (135486022004).

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

97100842240 is an equidigital number, since it uses as much as digits as its factorization.

97100842240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75860054 (or 75860040 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 97100842240 in words is "ninety-seven billion, one hundred million, eight hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 75860033 151720066 303440132 379300165 606880264 758600330 1213760528 1517200660 2427521056 3034401320 4855042112 6068802640 9710084224 12137605280 19420168448 24275210560 48550421120 97100842240