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130620883 = 281464843
BaseRepresentation
bin1111100100100…
…01110111010011
3100002210020011111
413302101313103
5231414332013
620543354151
73144154621
oct762216723
9302706144
10130620883
1167806448
12378b2957
13210a5283
14134c2511
15b70273d
hex7c91dd3

130620883 has 4 divisors (see below), whose sum is σ = 131086008. Its totient is φ = 130155760.

The previous prime is 130620859. The next prime is 130620899. The reversal of 130620883 is 388026031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130620883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130620803) 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, 232141 + ... + 232702.

It is an arithmetic number, because the mean of its divisors is an integer number (32771502).

Almost surely, 2130620883 is an apocalyptic number.

130620883 is a deficient number, since it is larger than the sum of its proper divisors (465125).

130620883 is an equidigital number, since it uses as much as digits as its factorization.

130620883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465124.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 130620883 is about 11428.9493392875. The cubic root of 130620883 is about 507.3849001677.

The spelling of 130620883 in words is "one hundred thirty million, six hundred twenty thousand, eight hundred eighty-three".

Divisors: 1 281 464843 130620883