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70816982208 = 263752691207
BaseRepresentation
bin100000111110100000…
…1010110010011000000
320202210100122102202220
41001331001112103000
52130013121412313
652311033411040
75054624262660
oct1017501262300
9222710572686
1070816982208
1128040381985
1211884569a80
1368a779518b
1435db3221a0
151c971de823
hex107d0564c0

70816982208 has 56 divisors (see below), whose sum is σ = 214137069312. Its totient is φ = 20233423104.

The previous prime is 70816982177. The next prime is 70816982213. The reversal of 70816982208 is 80228961807.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 26344260 + ... + 26346947.

Almost surely, 270816982208 is an apocalyptic number.

It is an amenable number.

70816982208 is an abundant number, since it is smaller than the sum of its proper divisors (143320087104).

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

70816982208 is a wasteful number, since it uses less digits than its factorization.

70816982208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52691229 (or 52691219 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 70816982208 in words is "seventy billion, eight hundred sixteen million, nine hundred eighty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 52691207 105382414 158073621 210764828 316147242 368838449 421529656 632294484 737676898 843059312 1106515347 1264588968 1475353796 1686118624 2213030694 2529177936 2950707592 3372237248 4426061388 5058355872 5901415184 8852122776 10116711744 11802830368 17704245552 23605660736 35408491104 70816982208