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130477769 = 196867251
BaseRepresentation
bin1111100011011…
…10111011001001
3100002111221211222
413301232323021
5231400242034
620540331425
73143020442
oct761567311
9302457758
10130477769
1167718974
1237843b75
13210550a6
14134862c9
15b6c512e
hex7c6eec9

130477769 has 4 divisors (see below), whose sum is σ = 137345040. Its totient is φ = 123610500.

The previous prime is 130477727. The next prime is 130477777. The reversal of 130477769 is 967774031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130477769 - 224 = 113700553 is a prime.

It is a super-2 number, since 2×1304777692 = 34048896406434722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130477069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433607 + ... + 3433644.

It is an arithmetic number, because the mean of its divisors is an integer number (34336260).

Almost surely, 2130477769 is an apocalyptic number.

130477769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

130477769 is a deficient number, since it is larger than the sum of its proper divisors (6867271).

130477769 is an equidigital number, since it uses as much as digits as its factorization.

130477769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867270.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 130477769 is about 11422.6865929167. The cubic root of 130477769 is about 507.1995280263.

The spelling of 130477769 in words is "one hundred thirty million, four hundred seventy-seven thousand, seven hundred sixty-nine".

Divisors: 1 19 6867251 130477769