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7896130361 = 71128018623
BaseRepresentation
bin1110101101010010…
…10110001100111001
3202101021221222112122
413112221112030321
5112132402132421
63343305251025
7366450000140
oct72651261471
922337858478
107896130361
113392183679
121644493a75
1398ab761b2
1454c98a757
1531332e2ab
hex1d6a56339

7896130361 has 4 divisors (see below), whose sum is σ = 9024148992. Its totient is φ = 6768111732.

The previous prime is 7896130349. The next prime is 7896130381. The reversal of 7896130361 is 1630316987.

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.

It is a cyclic number.

It is not a de Polignac number, because 7896130361 - 222 = 7891936057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7896130321) 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, 564009305 + ... + 564009318.

It is an arithmetic number, because the mean of its divisors is an integer number (2256037248).

Almost surely, 27896130361 is an apocalyptic number.

It is an amenable number.

7896130361 is a deficient number, since it is larger than the sum of its proper divisors (1128018631).

7896130361 is a wasteful number, since it uses less digits than its factorization.

7896130361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128018630.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 7896130361 is about 88860.1730867097. The cubic root of 7896130361 is about 1991.3064627077.

The spelling of 7896130361 in words is "seven billion, eight hundred ninety-six million, one hundred thirty thousand, three hundred sixty-one".

Divisors: 1 7 1128018623 7896130361