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2107066520 = 235134052051
BaseRepresentation
bin111110110010111…
…0100100010011000
312102211211001212202
41331211310202120
513303402112040
6545025425332
7103133525036
oct17545644230
95384731782
102107066520
11991425299
124a979b248
132776c3430
1415dba9556
15c4eb1015
hex7d974898

2107066520 has 32 divisors (see below), whose sum is σ = 5105585520. Its totient is φ = 777993600.

The previous prime is 2107066519. The next prime is 2107066523. The reversal of 2107066520 is 256607012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107066523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025506 + ... + 2026545.

Almost surely, 22107066520 is an apocalyptic number.

2107066520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2107066520 is an abundant number, since it is smaller than the sum of its proper divisors (2998519000).

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

2107066520 is a wasteful number, since it uses less digits than its factorization.

2107066520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052075 (or 4052071 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2107066520 is about 45902.7942504593. The cubic root of 2107066520 is about 1282.0139438694.

The spelling of 2107066520 in words is "two billion, one hundred seven million, sixty-six thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 4052051 8104102 16208204 20260255 32416408 40520510 52676663 81041020 105353326 162082040 210706652 263383315 421413304 526766630 1053533260 2107066520