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3161421441 = 33611919503
BaseRepresentation
bin1011110001101111…
…0111011010000001
322011022202211221000
42330123313122001
522433310441231
61241412122213
7141225432063
oct27433673201
98138684830
103161421441
1113825a37a2
12742906369
133b4c81c99
1421dc25733
1513782c6e6
hexbc6f7681

3161421441 has 16 divisors (see below), whose sum is σ = 4760369920. Its totient is φ = 2073062160.

The previous prime is 3161421437. The next prime is 3161421443. The reversal of 3161421441 is 1441241613.

3161421441 is a `hidden beast` number, since 3 + 1 + 614 + 2 + 1 + 4 + 41 = 666.

It is not a de Polignac number, because 3161421441 - 22 = 3161421437 is a prime.

It is a super-2 number, since 2×31614214412 = 19989171055229032962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161421443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958105 + ... + 961398.

It is an arithmetic number, because the mean of its divisors is an integer number (297523120).

Almost surely, 23161421441 is an apocalyptic number.

It is an amenable number.

3161421441 is a deficient number, since it is larger than the sum of its proper divisors (1598948479).

3161421441 is a wasteful number, since it uses less digits than its factorization.

3161421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919573 (or 1919567 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3161421441 is about 56226.5190190536. The cubic root of 3161421441 is about 1467.6667817530. Note that the first 3 decimals are identical.

The spelling of 3161421441 in words is "three billion, one hundred sixty-one million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 3 9 27 61 183 549 1647 1919503 5758509 17275527 51826581 117089683 351269049 1053807147 3161421441