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3702000081 = 313661914341
BaseRepresentation
bin1101110010101000…
…0000100111010001
3100112222222002102010
43130222000213101
530040203000311
61411202413133
7160511324103
oct33452004721
910488862363
103702000081
11162a7564aa
128739611a9
1346cc740c0
14271941573
1516a00dda6
hexdca809d1

3702000081 has 16 divisors (see below), whose sum is σ = 5316866240. Its totient is φ = 2277650880.

The previous prime is 3702000079. The next prime is 3702000097. The reversal of 3702000081 is 1800002073.

3702000081 is a nontrivial binomial coefficient, being equal to C(86047, 2).

It is not a de Polignac number, because 3702000081 - 21 = 3702000079 is a prime.

It is a super-2 number, since 2×37020000812 = 27409609199448013122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3702000041) 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, 250971 + ... + 265311.

It is an arithmetic number, because the mean of its divisors is an integer number (332304140).

Almost surely, 23702000081 is an apocalyptic number.

3702000081 is the 86046-th triangular number.

It is an amenable number.

3702000081 is a deficient number, since it is larger than the sum of its proper divisors (1614866159).

3702000081 is a wasteful number, since it uses less digits than its factorization.

3702000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20976.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 3702000081 is about 60844.0636463410. The cubic root of 3702000081 is about 1546.9590160052.

The spelling of 3702000081 in words is "three billion, seven hundred two million, eighty-one", and thus it is an aban number.

Divisors: 1 3 13 39 6619 14341 19857 43023 86047 186433 258141 559299 94923079 284769237 1234000027 3702000081