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6782157030 = 23511193106487
BaseRepresentation
bin1100101000011111…
…11000000011100110
3122111122211021102010
412110033320003212
5102342213011110
63040553055050
7330032245365
oct62417700346
918448737363
106782157030
112970394a60
1213933b7486
1384114228c
14484a517dc
1529a638020
hex1943f80e6

6782157030 has 64 divisors (see below), whose sum is σ = 17849092608. Its totient is φ = 1635624960.

The previous prime is 6782157023. The next prime is 6782157071. The reversal of 6782157030 is 307512876.

It is a self number, because there is not a number n which added to its sum of digits gives 6782157030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10447 + ... + 116933.

It is an arithmetic number, because the mean of its divisors is an integer number (278892072).

Almost surely, 26782157030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6782157030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8924546304).

6782157030 is an abundant number, since it is smaller than the sum of its proper divisors (11066935578).

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

6782157030 is a wasteful number, since it uses less digits than its factorization.

6782157030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106701.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 6782157030 is about 82353.8525510495. The cubic root of 6782157030 is about 1892.8779563502.

The spelling of 6782157030 in words is "six billion, seven hundred eighty-two million, one hundred fifty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 193 330 386 579 965 1158 1930 2123 2895 4246 5790 6369 10615 12738 21230 31845 63690 106487 212974 319461 532435 638922 1064870 1171357 1597305 2342714 3194610 3514071 5856785 7028142 11713570 17570355 20551991 35140710 41103982 61655973 102759955 123311946 205519910 226071901 308279865 452143802 616559730 678215703 1130359505 1356431406 2260719010 3391078515 6782157030