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7070407008 = 253710521439
BaseRepresentation
bin1101001010110110…
…11101100101100000
3200020202012220001020
412211123131211200
5103440011011013
63125331205440
7340132316340
oct64533354540
920222186036
107070407008
112aa9073485
121453a46880
13888a87ab2
144b1046d20
152b5ac5623
hex1a56dd960

7070407008 has 48 divisors (see below), whose sum is σ = 21211223040. Its totient is φ = 2020116096.

The previous prime is 7070407007. The next prime is 7070407037. The reversal of 7070407008 is 8007040707.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7070407008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7070407007) 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 7 ways as a sum of consecutive naturals, for example, 5260048 + ... + 5261391.

It is an arithmetic number, because the mean of its divisors is an integer number (441900480).

Almost surely, 27070407008 is an apocalyptic number.

It is an amenable number.

7070407008 is an abundant number, since it is smaller than the sum of its proper divisors (14140816032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7070407008 is a wasteful number, since it uses less digits than its factorization.

7070407008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521459 (or 10521451 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 7070407008 is about 84085.7122702781. The cubic root of 7070407008 is about 1919.3233118821.

The spelling of 7070407008 in words is "seven billion, seventy million, four hundred seven thousand, eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 10521439 21042878 31564317 42085756 63128634 73650073 84171512 126257268 147300146 168343024 220950219 252514536 294600292 336686048 441900438 505029072 589200584 883800876 1010058144 1178401168 1767601752 2356802336 3535203504 7070407008