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130842772 = 22187117483
BaseRepresentation
bin1111100110010…
…00000010010100
3100010012111112121
413303020002110
5231443432042
620552225324
73146100544
oct763100224
9303174477
10130842772
1167948125
123799b244
1321152278
141353d324
15b748367
hex7cc8094

130842772 has 12 divisors (see below), whose sum is σ = 229110336. Its totient is φ = 65382680.

The previous prime is 130842757. The next prime is 130842787. The reversal of 130842772 is 277248031.

It is an interprime number because it is at equal distance from previous prime (130842757) and next prime (130842787).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (19092528).

Almost surely, 2130842772 is an apocalyptic number.

It is an amenable number.

130842772 is a deficient number, since it is larger than the sum of its proper divisors (98267564).

130842772 is a wasteful number, since it uses less digits than its factorization.

130842772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19358 (or 19356 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 130842772 is about 11438.6525430227. The cubic root of 130842772 is about 507.6720401624.

The spelling of 130842772 in words is "one hundred thirty million, eight hundred forty-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 1871 3742 7484 17483 34966 69932 32710693 65421386 130842772