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797130111 = 31391911583
BaseRepresentation
bin101111100000110…
…011110101111111
32001112221101221110
4233200303311333
53113031130421
6211033133103
725516331331
oct5740636577
92045841843
10797130111
11379a60718
121a2b5a193
13c91b982b
1477c1d451
1549eaba76
hex2f833d7f

797130111 has 8 divisors (see below), whose sum is σ = 1070487040. Its totient is φ = 527596632.

The previous prime is 797130071. The next prime is 797130133. The reversal of 797130111 is 111031797.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 797130111 - 211 = 797128063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797130211) 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, 955375 + ... + 956208.

It is an arithmetic number, because the mean of its divisors is an integer number (133810880).

Almost surely, 2797130111 is an apocalyptic number.

797130111 is a deficient number, since it is larger than the sum of its proper divisors (273356929).

797130111 is a wasteful number, since it uses less digits than its factorization.

797130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911725.

The product of its (nonzero) digits is 1323, while the sum is 30.

The square root of 797130111 is about 28233.4927169842. The cubic root of 797130111 is about 927.2063662682.

The spelling of 797130111 in words is "seven hundred ninety-seven million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 3 139 417 1911583 5734749 265710037 797130111