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3881425768 = 2311732572351
BaseRepresentation
bin1110011101011001…
…1101101101101000
3101000111120212011221
43213112131231220
530422121111033
61441052231424
7165120401053
oct34726355550
911014525157
103881425768
111711a666a0
12903a6b574
1349b1a674c
1428b6c9a9a
1517ab5212d
hexe759db68

3881425768 has 64 divisors (see below), whose sum is σ = 8082789120. Its totient is φ = 1732608000.

The previous prime is 3881425753. The next prime is 3881425781. The reversal of 3881425768 is 8675241883.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1649793 + ... + 1652143.

It is an arithmetic number, because the mean of its divisors is an integer number (126293580).

Almost surely, 23881425768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3881425768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4041394560).

3881425768 is an abundant number, since it is smaller than the sum of its proper divisors (4201363352).

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

3881425768 is a wasteful number, since it uses less digits than its factorization.

3881425768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2694 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 3881425768 is about 62301.0896212899. The cubic root of 3881425768 is about 1571.5580524651.

The spelling of 3881425768 in words is "three billion, eight hundred eighty-one million, four hundred twenty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 73 88 146 257 292 514 584 803 1028 1606 2056 2351 2827 3212 4702 5654 6424 9404 11308 18761 18808 22616 25861 37522 51722 75044 103444 150088 171623 206371 206888 343246 412742 604207 686492 825484 1208414 1372984 1650968 1887853 2416828 3775706 4833656 6646277 7551412 13292554 15102824 26585108 44107111 53170216 88214222 176428444 352856888 485178221 970356442 1940712884 3881425768