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2961719493 = 36471525873
BaseRepresentation
bin1011000010001000…
…0100000011000101
321122101222221100120
42300202010003011
522031200010433
61205515532153
7133252125465
oct26042040305
97571887316
102961719493
11128a8a4767
126a7a5a059
133827a0555
142014bdba5
151250317b3
hexb08840c5

2961719493 has 8 divisors (see below), whose sum is σ = 3955065408. Its totient is φ = 1971426624.

The previous prime is 2961719479. The next prime is 2961719503. The reversal of 2961719493 is 3949171692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2961719493 - 24 = 2961719477 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961719443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760996 + ... + 764877.

It is an arithmetic number, because the mean of its divisors is an integer number (494383176).

Almost surely, 22961719493 is an apocalyptic number.

It is an amenable number.

2961719493 is a deficient number, since it is larger than the sum of its proper divisors (993345915).

2961719493 is a wasteful number, since it uses less digits than its factorization.

2961719493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526523.

The product of its digits is 734832, while the sum is 51.

The square root of 2961719493 is about 54421.6821956102. The cubic root of 2961719493 is about 1436.0888421290.

The spelling of 2961719493 in words is "two billion, nine hundred sixty-one million, seven hundred nineteen thousand, four hundred ninety-three".

Divisors: 1 3 647 1941 1525873 4577619 987239831 2961719493