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7039428628 = 221812197117
BaseRepresentation
bin1101000111001010…
…10010100000010100
3200011120221000200211
412203211102200110
5103404043204003
63122303215204
7336305104351
oct64345224024
920146830624
107039428628
112a92634a11
1214455a7504
1388252c6ab
144aaca1628
152b300696d
hex1a3952814

7039428628 has 12 divisors (see below), whose sum is σ = 12319806772. Its totient is φ = 3519483840.

The previous prime is 7039428607. The next prime is 7039428679. The reversal of 7039428628 is 8268249307.

It can be written as a sum of positive squares in 2 ways, for example, as 4388002564 + 2651426064 = 66242^2 + 51492^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23926 + ... + 121042.

Almost surely, 27039428628 is an apocalyptic number.

It is an amenable number.

7039428628 is a deficient number, since it is larger than the sum of its proper divisors (5280378144).

7039428628 is a wasteful number, since it uses less digits than its factorization.

7039428628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115242 (or 115240 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 7039428628 is about 83901.3028981076. The cubic root of 7039428628 is about 1916.5160913627.

The spelling of 7039428628 in words is "seven billion, thirty-nine million, four hundred twenty-eight thousand, six hundred twenty-eight".

Divisors: 1 2 4 18121 36242 72484 97117 194234 388468 1759857157 3519714314 7039428628