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130043776 = 271015967
BaseRepresentation
bin1111100000001…
…00111110000000
3100001200220112011
413300010332000
5231242400101
620523142304
73136232242
oct760047600
9301626464
10130043776
11674518a5
1237674994
1320c326a5
14133b2092
15b63b751
hex7c04f80

130043776 has 16 divisors (see below), whose sum is σ = 259071840. Its totient is φ = 65021824.

The previous prime is 130043747. The next prime is 130043777. The reversal of 130043776 is 677340031.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1300437762 = 33822767352676352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130043777) by changing a digit.

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 as a sum of consecutive naturals, namely, 507856 + ... + 508111.

It is an arithmetic number, because the mean of its divisors is an integer number (16191990).

Almost surely, 2130043776 is an apocalyptic number.

130043776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130043776 is a deficient number, since it is larger than the sum of its proper divisors (129028064).

130043776 is an equidigital number, since it uses as much as digits as its factorization.

130043776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015981 (or 1015969 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 130043776 is about 11403.6737940017. The cubic root of 130043776 is about 506.6365571519.

The spelling of 130043776 in words is "one hundred thirty million, forty-three thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 128 1015967 2031934 4063868 8127736 16255472 32510944 65021888 130043776