Search a number
-
+
1156102159 = 7116283129
BaseRepresentation
bin100010011101000…
…1011100000001111
32222120102002000111
41010322023200033
54331430232114
6310415140451
740435464142
oct10472134017
92876362014
101156102159
11543653733
12283214727
13155694724
14ad784059
156b768bc4
hex44e8b80f

1156102159 has 4 divisors (see below), whose sum is σ = 1172385360. Its totient is φ = 1139818960.

The previous prime is 1156102097. The next prime is 1156102223. The reversal of 1156102159 is 9512016511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1156102159 - 217 = 1155971087 is a prime.

It is a super-2 number, since 2×11561021592 = 2673144404088922562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156102159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156100159) 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, 8141494 + ... + 8141635.

It is an arithmetic number, because the mean of its divisors is an integer number (293096340).

Almost surely, 21156102159 is an apocalyptic number.

1156102159 is a deficient number, since it is larger than the sum of its proper divisors (16283201).

1156102159 is an equidigital number, since it uses as much as digits as its factorization.

1156102159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16283200.

The product of its (nonzero) digits is 2700, while the sum is 31.

The square root of 1156102159 is about 34001.5023050453. The cubic root of 1156102159 is about 1049.5393774005.

The spelling of 1156102159 in words is "one billion, one hundred fifty-six million, one hundred two thousand, one hundred fifty-nine".

Divisors: 1 71 16283129 1156102159