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8900903742 = 23193712971627
BaseRepresentation
bin10000100101000100…
…10000001100111110
3211222022121202111120
420102202100030332
5121212112404432
64031121131410
7433400301453
oct102242201476
924868552446
108900903742
1138583677a5
121884a89b66
13abb094c63
146061bb82a
15371654c2c
hex21289033e

8900903742 has 64 divisors (see below), whose sum is σ = 19271873280. Its totient is φ = 2731055616.

The previous prime is 8900903689. The next prime is 8900903771. The reversal of 8900903742 is 2473090098.

It is a junction number, because it is equal to n+sod(n) for n = 8900903694 and 8900903703.

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 31 ways as a sum of consecutive naturals, for example, 5469933 + ... + 5471559.

It is an arithmetic number, because the mean of its divisors is an integer number (301123020).

Almost surely, 28900903742 is an apocalyptic number.

8900903742 is an abundant number, since it is smaller than the sum of its proper divisors (10370969538).

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

8900903742 is a wasteful number, since it uses less digits than its factorization.

8900903742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 8900903742 is about 94344.6010219981. The cubic root of 8900903742 is about 2072.4212406561.

The spelling of 8900903742 in words is "eight billion, nine hundred million, nine hundred three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1297 1406 1627 2109 2594 3254 3891 4218 4881 7782 9762 24643 30913 47989 49286 60199 61826 73929 92739 95978 120398 143967 147858 180597 185478 287934 361194 911791 1143781 1823582 2110219 2287562 2735373 3431343 4220438 5470746 6330657 6862686 12661314 40094161 78078103 80188322 120282483 156156206 234234309 240564966 468468618 1483483957 2966967914 4450451871 8900903742