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97931282208 = 2536071680589
BaseRepresentation
bin101101100110100101…
…0001100011100100000
3100100202222222120221020
41123031022030130200
53101030402012313
6112553343125440
710034554110204
oct1331512143440
9310688876836
1097931282208
1138594723881
1216b90ba3880
139309055386
144a503d8b04
152832801323
hex16cd28c720

97931282208 has 48 divisors (see below), whose sum is σ = 257493277440. Its totient is φ = 32589962496.

The previous prime is 97931282177. The next prime is 97931282213. The reversal of 97931282208 is 80228213979.

It is a tau number, because it is divible by the number of its divisors (48).

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, 782023 + ... + 898566.

It is an arithmetic number, because the mean of its divisors is an integer number (5364443280).

Almost surely, 297931282208 is an apocalyptic number.

It is an amenable number.

97931282208 is an abundant number, since it is smaller than the sum of its proper divisors (159561995232).

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

97931282208 is a wasteful number, since it uses less digits than its factorization.

97931282208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681209 (or 1681201 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 97931282208 in words is "ninety-seven billion, nine hundred thirty-one million, two hundred eighty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 607 1214 1821 2428 3642 4856 7284 9712 14568 19424 29136 58272 1680589 3361178 5041767 6722356 10083534 13444712 20167068 26889424 40334136 53778848 80668272 161336544 1020117523 2040235046 3060352569 4080470092 6120705138 8160940184 12241410276 16321880368 24482820552 32643760736 48965641104 97931282208