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8012107439 = 79111256407
BaseRepresentation
bin1110111011000111…
…10000111010101111
3202200101012020011222
413131203300322233
5112402044414224
63403011133555
7402355534550
oct73543607257
922611166158
108012107439
1134416979a6
1216772a42bb
139a8bc1c9b
1456013a327
1531d5dcb5e
hex1dd8f0eaf

8012107439 has 8 divisors (see below), whose sum is σ = 9166752768. Its totient is φ = 6859976760.

The previous prime is 8012107427. The next prime is 8012107451. The reversal of 8012107439 is 9347012108.

It is an interprime number because it is at equal distance from previous prime (8012107427) and next prime (8012107451).

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

It is not a de Polignac number, because 8012107439 - 24 = 8012107423 is a prime.

It is a super-2 number, since 2×80121074392 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8012107399 and 8012107408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012107489) 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, 621827 + ... + 634580.

It is an arithmetic number, because the mean of its divisors is an integer number (1145844096).

Almost surely, 28012107439 is an apocalyptic number.

8012107439 is a deficient number, since it is larger than the sum of its proper divisors (1154645329).

8012107439 is a wasteful number, since it uses less digits than its factorization.

8012107439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257325.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8012107439 is about 89510.3761527120. The cubic root of 8012107439 is about 2001.0084446842.

The spelling of 8012107439 in words is "eight billion, twelve million, one hundred seven thousand, four hundred thirty-nine".

Divisors: 1 7 911 6377 1256407 8794849 1144586777 8012107439