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7900745630 = 251257762819
BaseRepresentation
bin1110101101110101…
…11100111110011110
3202101121122110111112
413112322330332132
5112140042330010
63343552222022
7366534141551
oct72672747636
922347573445
107900745630
113394846148
121645b3a912
1398bb00b1b
1454d42c698
15313941a05
hex1d6ebcf9e

7900745630 has 16 divisors (see below), whose sum is σ = 14222699280. Its totient is φ = 3159996672.

The previous prime is 7900745627. The next prime is 7900745693. The reversal of 7900745630 is 365470097.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94361 + ... + 157179.

It is an arithmetic number, because the mean of its divisors is an integer number (888918705).

Almost surely, 27900745630 is an apocalyptic number.

7900745630 is a deficient number, since it is larger than the sum of its proper divisors (6321953650).

7900745630 is a wasteful number, since it uses less digits than its factorization.

7900745630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75403.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 7900745630 is about 88886.1385706455. The cubic root of 7900745630 is about 1991.6943584050.

The spelling of 7900745630 in words is "seven billion, nine hundred million, seven hundred forty-five thousand, six hundred thirty".

Divisors: 1 2 5 10 12577 25154 62819 62885 125638 125770 314095 628190 790074563 1580149126 3950372815 7900745630