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3138154746 = 231730766223
BaseRepresentation
bin1011101100001100…
…0111000011111010
322002200222210000120
42323003013003322
522411331422441
61235221314110
7140523606126
oct27303070372
98080883016
103138154746
111370452121
12736b65936
133b01c69cc
1421aaca586
15135783966
hexbb0c70fa

3138154746 has 16 divisors (see below), whose sum is σ = 6645504384. Its totient is φ = 984519104.

The previous prime is 3138154693. The next prime is 3138154759. The reversal of 3138154746 is 6474518313.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3138154698 and 3138154707.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15383010 + ... + 15383213.

It is an arithmetic number, because the mean of its divisors is an integer number (415344024).

Almost surely, 23138154746 is an apocalyptic number.

3138154746 is an abundant number, since it is smaller than the sum of its proper divisors (3507349638).

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

3138154746 is a wasteful number, since it uses less digits than its factorization.

3138154746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30766245.

The product of its digits is 241920, while the sum is 42.

The square root of 3138154746 is about 56019.2354999602. The cubic root of 3138154746 is about 1464.0574485131.

The spelling of 3138154746 in words is "three billion, one hundred thirty-eight million, one hundred fifty-four thousand, seven hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 30766223 61532446 92298669 184597338 523025791 1046051582 1569077373 3138154746