Search a number
-
+
3811211141 = 5927913859
BaseRepresentation
bin1110001100101010…
…0111011110000101
3100211121110120211012
43203022213132011
530301132224031
61430103252005
7163305521513
oct34312473605
910747416735
103811211141
111686369381
128a444a005
1348979132a
1428224d4b3
151748d2b2b
hexe32a7785

3811211141 has 12 divisors (see below), whose sum is σ = 3926260800. Its totient is φ = 3698921928.

The previous prime is 3811211137. The next prime is 3811211143. The reversal of 3811211141 is 1411121183.

It is not a de Polignac number, because 3811211141 - 22 = 3811211137 is a prime.

It is a super-2 number, since 2×38112111412 = 29050660722565043762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811211143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268070 + ... + 281928.

It is an arithmetic number, because the mean of its divisors is an integer number (327188400).

Almost surely, 23811211141 is an apocalyptic number.

It is an amenable number.

3811211141 is a deficient number, since it is larger than the sum of its proper divisors (115049659).

3811211141 is an equidigital number, since it uses as much as digits as its factorization.

3811211141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056 (or 13997 counting only the distinct ones).

The product of its digits is 192, while the sum is 23.

The square root of 3811211141 is about 61735.0074188057. The cubic root of 3811211141 is about 1562.0238827192.

The spelling of 3811211141 in words is "three billion, eight hundred eleven million, two hundred eleven thousand, one hundred forty-one".

Divisors: 1 59 79 3481 4661 13859 274999 817681 1094861 48243179 64596799 3811211141