Search a number
-
+
3881012481 = 333141113093
BaseRepresentation
bin1110011101010011…
…1000110100000001
3101000110210212021000
43213110320310001
530422014344411
61441035322213
7165114030123
oct34724706401
911013725230
103881012481
111711804135
129038b0369
1349b0905b8
1428b61d213
1517aabe956
hexe7538d01

3881012481 has 32 divisors (see below), whose sum is σ = 6079933440. Its totient is φ = 2442787200.

The previous prime is 3881012477. The next prime is 3881012549. The reversal of 3881012481 is 1842101883.

It is not a de Polignac number, because 3881012481 - 22 = 3881012477 is a prime.

It is a super-2 number, since 2×38810124812 = 30124515755355550722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3881012441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22230 + ... + 90863.

It is an arithmetic number, because the mean of its divisors is an integer number (189997920).

Almost surely, 23881012481 is an apocalyptic number.

3881012481 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3881012481 is a deficient number, since it is larger than the sum of its proper divisors (2198920959).

3881012481 is a wasteful number, since it uses less digits than its factorization.

3881012481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113174 (or 113168 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 3881012481 is about 62297.7726808912. The cubic root of 3881012481 is about 1571.5022716253.

The spelling of 3881012481 in words is "three billion, eight hundred eighty-one million, twelve thousand, four hundred eighty-one".

Divisors: 1 3 9 27 31 41 93 123 279 369 837 1107 1271 3813 11439 34317 113093 339279 1017837 3053511 3505883 4636813 10517649 13910439 31552947 41731317 94658841 125193951 143741203 431223609 1293670827 3881012481