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4139810837 = 8349877239
BaseRepresentation
bin1111011011000000…
…1000000000010101
3101200111210011212022
43312300020000111
531434242421322
61522442302525
7204405545231
oct36660100025
911614704768
104139810837
1118348a7178
129764b7a45
1350c893916
142b3b495c1
15193690942
hexf6c08015

4139810837 has 4 divisors (see below), whose sum is σ = 4189688160. Its totient is φ = 4089933516.

The previous prime is 4139810809. The next prime is 4139810849. The reversal of 4139810837 is 7380189314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7380189314 = 23690094657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4139810837 is a prime.

It is a super-2 number, since 2×41398108372 = 34276067532285281138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139815837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24938537 + ... + 24938702.

It is an arithmetic number, because the mean of its divisors is an integer number (1047422040).

Almost surely, 24139810837 is an apocalyptic number.

It is an amenable number.

4139810837 is a deficient number, since it is larger than the sum of its proper divisors (49877323).

4139810837 is an equidigital number, since it uses as much as digits as its factorization.

4139810837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49877322.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4139810837 is about 64341.3617900647. The cubic root of 4139810837 is about 1605.6843174867.

The spelling of 4139810837 in words is "four billion, one hundred thirty-nine million, eight hundred ten thousand, eight hundred thirty-seven".

Divisors: 1 83 49877239 4139810837