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9997634767031 = 432237779313337
BaseRepresentation
bin1001000101111100000101…
…1110000000100010110111
31022101202122100121222011022
42101133001132000202313
52302300124000021111
633132503333531355
72051206465242332
oct221370136004267
938352570558138
109997634767031
113204a7820852a
1211557377a3b5b
13576a081235a2
14267c60d5d619
151250dc4882db
hex917c17808b7

9997634767031 has 16 divisors (see below), whose sum is σ = 10236791863584. Its totient is φ = 9758782086144.

The previous prime is 9997634766997. The next prime is 9997634767103. The reversal of 9997634767031 is 1307674367999.

It is not a de Polignac number, because 9997634767031 - 26 = 9997634766967 is a prime.

It is a super-2 number, since 2×99976347670312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997634760031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749609795 + ... + 749623131.

It is an arithmetic number, because the mean of its divisors is an integer number (639799491474).

Almost surely, 29997634767031 is an apocalyptic number.

9997634767031 is a deficient number, since it is larger than the sum of its proper divisors (239157096553).

9997634767031 is a wasteful number, since it uses less digits than its factorization.

9997634767031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23410.

The product of its (nonzero) digits is 324060912, while the sum is 71.

The spelling of 9997634767031 in words is "nine trillion, nine hundred ninety-seven billion, six hundred thirty-four million, seven hundred sixty-seven thousand, thirty-one".

Divisors: 1 43 2237 7793 13337 96191 335099 573491 17432941 29834869 103935241 749616463 1282899367 4469215363 232503134117 9997634767031