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2995997988 = 223249666499
BaseRepresentation
bin1011001010010011…
…0100110100100100
321201210111110121110
42302210310310210
522113433413423
61213142345020
7134146364004
oct26244646444
97653443543
102995997988
1112a81876a5
126b742b170
13389912a99
14205c84004
15128053193
hexb2934d24

2995997988 has 12 divisors (see below), whose sum is σ = 6990662000. Its totient is φ = 998665992.

The previous prime is 2995997987. The next prime is 2995997989. The reversal of 2995997988 is 8897995992.

It is an interprime number because it is at equal distance from previous prime (2995997987) and next prime (2995997989).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2995997987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124833238 + ... + 124833261.

Almost surely, 22995997988 is an apocalyptic number.

It is an amenable number.

2995997988 is an abundant number, since it is smaller than the sum of its proper divisors (3994664012).

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

2995997988 is a wasteful number, since it uses less digits than its factorization.

2995997988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249666506 (or 249666504 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 75.

The square root of 2995997988 is about 54735.7103543930. The cubic root of 2995997988 is about 1441.6079626885.

The spelling of 2995997988 in words is "two billion, nine hundred ninety-five million, nine hundred ninety-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 249666499 499332998 748999497 998665996 1497998994 2995997988