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5131996889 = 49199104311
BaseRepresentation
bin1001100011110010…
…00000111011011001
3111020122202110020212
410301321000323121
541002242400024
62205124300505
7241114153025
oct46171007331
914218673225
105131996889
1121a3973248
12bb2841735
1363a2c6266
14369821385
1520082ba0e
hex131e40ed9

5131996889 has 4 divisors (see below), whose sum is σ = 5132150400. Its totient is φ = 5131843380.

The previous prime is 5131996867. The next prime is 5131996901. The reversal of 5131996889 is 9886991315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5131996889 - 224 = 5115219673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131986889) 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, 2957 + ... + 101354.

It is an arithmetic number, because the mean of its divisors is an integer number (1283037600).

Almost surely, 25131996889 is an apocalyptic number.

It is an amenable number.

5131996889 is a deficient number, since it is larger than the sum of its proper divisors (153511).

5131996889 is a wasteful number, since it uses less digits than its factorization.

5131996889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153510.

The product of its digits is 4199040, while the sum is 59.

The square root of 5131996889 is about 71637.9570409430. The cubic root of 5131996889 is about 1724.8928745629.

The spelling of 5131996889 in words is "five billion, one hundred thirty-one million, nine hundred ninety-six thousand, eight hundred eighty-nine".

Divisors: 1 49199 104311 5131996889