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780130112 = 2612189533
BaseRepresentation
bin101110011111111…
…101011101000000
32000100221201022212
4232133331131000
53044203130422
6205224521252
725221665546
oct5637753500
92010851285
10780130112
113703aa333
12199320228
13c5816a68
1475875d96
154874e9e2
hex2e7fd740

780130112 has 14 divisors (see below), whose sum is σ = 1548070818. Its totient is φ = 390065024.

The previous prime is 780130103. The next prime is 780130121. The reversal of 780130112 is 211031087.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (780130103) and next prime (780130121).

It can be written as a sum of positive squares in only one way, i.e., 464143936 + 315986176 = 21544^2 + 17776^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094703 + ... + 6094830.

It is an arithmetic number, because the mean of its divisors is an integer number (110576487).

Almost surely, 2780130112 is an apocalyptic number.

It is an amenable number.

780130112 is a deficient number, since it is larger than the sum of its proper divisors (767940706).

780130112 is a wasteful number, since it uses less digits than its factorization.

780130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189545 (or 12189535 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 780130112 is about 27930.8093688672. The cubic root of 780130112 is about 920.5675892652.

Adding to 780130112 its reverse (211031087), we get a palindrome (991161199).

The spelling of 780130112 in words is "seven hundred eighty million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 12189533 24379066 48758132 97516264 195032528 390065056 780130112