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780070613 = 7112399233
BaseRepresentation
bin101110011111101…
…110111011010101
32000100211200201012
4232133232323111
53044144224423
6205223342005
725221330230
oct5637567325
92010750635
10780070613
11370369663
121992b1905
13c57c595a
147585c417
154873c078
hex2e7eeed5

780070613 has 8 divisors (see below), whose sum is σ = 892312128. Its totient is φ = 668029824.

The previous prime is 780070607. The next prime is 780070637. The reversal of 780070613 is 316070087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 780070613 - 214 = 780054229 is a prime.

It is a super-2 number, since 2×7800706132 = 1217020322532391538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 780070613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780070673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41756 + ... + 57477.

It is an arithmetic number, because the mean of its divisors is an integer number (111539016).

Almost surely, 2780070613 is an apocalyptic number.

It is an amenable number.

780070613 is a deficient number, since it is larger than the sum of its proper divisors (112241515).

780070613 is a wasteful number, since it uses less digits than its factorization.

780070613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100363.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 780070613 is about 27929.7442344179. The cubic root of 780070613 is about 920.5441853728.

The spelling of 780070613 in words is "seven hundred eighty million, seventy thousand, six hundred thirteen".

Divisors: 1 7 1123 7861 99233 694631 111438659 780070613