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10397521896768 = 263317477530769
BaseRepresentation
bin1001011101001101110010…
…0110010110010101000000
31100210222211011210221021000
42113103130212112111000
52330323111101144033
634040320002532000
72122124166615456
oct227233446262500
940728734727230
1010397521896768
113349623058816
1211bb139067000
135a5636262c96
1427d3581409d6
151306e3ed8a13
hex974dc996540

10397521896768 has 224 divisors, whose sum is σ = 33053453222400. Its totient is φ = 3192563662848.

The previous prime is 10397521896719. The next prime is 10397521896781. The reversal of 10397521896768 is 86769812579301.

10397521896768 is a `hidden beast` number, since 1 + 0 + 3 + 9 + 7 + 521 + 8 + 96 + 7 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 10397521896696 and 10397521896705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2384713 + ... + 5146056.

Almost surely, 210397521896768 is an apocalyptic number.

10397521896768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10397521896768 is an abundant number, since it is smaller than the sum of its proper divisors (22655931325632).

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

10397521896768 is a wasteful number, since it uses less digits than its factorization.

10397521896768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530854 (or 7530838 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 10397521896768 in words is "ten trillion, three hundred ninety-seven billion, five hundred twenty-one million, eight hundred ninety-six thousand, seven hundred sixty-eight".