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797680641368 = 231323333478529
BaseRepresentation
bin10111001101110010111…
…10001010010101011000
32211020221201212010002002
423212321132022111120
5101032122221010433
61410241024300132
7111426161402342
oct13467136122530
92736851763062
10797680641368
11288326a21286
1210a719771648
135a2b45b7010
142a8722d8292
1515b398999e8
hexb9b978a558

797680641368 has 32 divisors (see below), whose sum is σ = 1680731791200. Its totient is φ = 352153325568.

The previous prime is 797680641349. The next prime is 797680641397. The reversal of 797680641368 is 863146086797.

It is a super-2 number, since 2×7976806413682 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166736873 + ... + 166741656.

It is an arithmetic number, because the mean of its divisors is an integer number (52522868475).

Almost surely, 2797680641368 is an apocalyptic number.

It is an amenable number.

797680641368 is an abundant number, since it is smaller than the sum of its proper divisors (883051149832).

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

797680641368 is a wasteful number, since it uses less digits than its factorization.

797680641368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333478571 (or 333478567 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 797680641368 in words is "seven hundred ninety-seven billion, six hundred eighty million, six hundred forty-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 333478529 666957058 1333914116 2667828232 4335220877 7670006167 8670441754 15340012334 17340883508 30680024668 34681767016 61360049336 99710080171 199420160342 398840320684 797680641368