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3195753961 = 565312
BaseRepresentation
bin1011111001111011…
…0101010111101001
322020201101010021211
42332132311113221
523021103111321
61245040033121
7142123313641
oct27636652751
98221333254
103195753961
11139aa13284
127523027a1
133bc112c9a
14224601521
1513a8600e1
hexbe7b55e9

3195753961 has 3 divisors (see below), whose sum is σ = 3195810493. Its totient is φ = 3195697430.

The previous prime is 3195753931. The next prime is 3195753971. The reversal of 3195753961 is 1693575913.

The square root of 3195753961 is 56531.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1693575913 = 1819356773.

It is not a de Polignac number, because 3195753961 - 213 = 3195745769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3195753931) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28266 + ... + 84796.

Almost surely, 23195753961 is an apocalyptic number.

3195753961 is the 56531-st square number.

3195753961 is the 28266-th centered octagonal number.

It is an amenable number.

3195753961 is a deficient number, since it is larger than the sum of its proper divisors (56532).

3195753961 is an frugal number, since it uses more digits than its factorization.

3195753961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113062 (or 56531 counting only the distinct ones).

The product of its digits is 765450, while the sum is 49.

The cubic root of 3195753961 is about 1472.9605384081.

Multiplying 3195753961 by its sum of digits (49), we get a square (156591944089 = 3957172).

The spelling of 3195753961 in words is "three billion, one hundred ninety-five million, seven hundred fifty-three thousand, nine hundred sixty-one".

Divisors: 1 56531 3195753961