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6520117060 = 2253767131507
BaseRepresentation
bin1100001001010000…
…10001011101000100
3121211101202021011001
412010220101131010
5101323122221220
62554552423044
7320401036432
oct60450213504
917741667131
106520117060
1128464884a6
12131b6a7a84
137cba75642
1445bd1dd52
1528262680a
hex184a11744

6520117060 has 48 divisors (see below), whose sum is σ = 14272300224. Its totient is φ = 2499666048.

The previous prime is 6520117057. The next prime is 6520117103. The reversal of 6520117060 is 607110256.

It is a super-2 number, since 2×65201170602 = 85023852952206087200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16174 + ... + 115333.

It is an arithmetic number, because the mean of its divisors is an integer number (297339588).

Almost surely, 26520117060 is an apocalyptic number.

It is an amenable number.

6520117060 is an abundant number, since it is smaller than the sum of its proper divisors (7752183164).

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

6520117060 is a wasteful number, since it uses less digits than its factorization.

6520117060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131620 (or 131618 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 6520117060 is about 80747.2418104792. The cubic root of 6520117060 is about 1868.1789071418.

The spelling of 6520117060 in words is "six billion, five hundred twenty million, one hundred seventeen thousand, sixty".

Divisors: 1 2 4 5 10 20 37 67 74 134 148 185 268 335 370 670 740 1340 2479 4958 9916 12395 24790 49580 131507 263014 526028 657535 1315070 2630140 4865759 8810969 9731518 17621938 19463036 24328795 35243876 44054845 48657590 88109690 97315180 176219380 326005853 652011706 1304023412 1630029265 3260058530 6520117060