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1334661642 = 23274147869
BaseRepresentation
bin100111110001101…
…0101001000001010
310110000101211120200
41033203111020022
510213133133032
6340234233030
745034302546
oct11743251012
93400354520
101334661642
11625422056
12312b85776
13183682a22
14c9384a26
157c28a47c
hex4f8d520a

1334661642 has 12 divisors (see below), whose sum is σ = 2891766930. Its totient is φ = 444887208.

The previous prime is 1334661637. The next prime is 1334661661. The reversal of 1334661642 is 2461664331.

1334661642 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 6 + 6 + 1 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1002292281 + 332369361 = 31659^2 + 18231^2 .

It is a super-2 number, since 2×13346616422 = 3562643397252272328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1334661597 and 1334661606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37073917 + ... + 37073952.

Almost surely, 21334661642 is an apocalyptic number.

1334661642 is an abundant number, since it is smaller than the sum of its proper divisors (1557105288).

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

1334661642 is a wasteful number, since it uses less digits than its factorization.

1334661642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74147877 (or 74147874 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1334661642 is about 36533.0212547498. The cubic root of 1334661642 is about 1101.0077932068.

It can be divided in two parts, 1334 and 661642, that added together give a triangular number (662976 = T1151).

The spelling of 1334661642 in words is "one billion, three hundred thirty-four million, six hundred sixty-one thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 74147869 148295738 222443607 444887214 667330821 1334661642