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5031115488 = 2532719231223
BaseRepresentation
bin1001010111110000…
…01011101011100000
3110222121221010222200
410223320023223200
540300431143423
62151122133200
7235450530120
oct45370135340
913877833880
105031115488
112151a2a593
12b84ab1200
13622434519
1435a280c80
151e6a50d43
hex12be0bae0

5031115488 has 432 divisors, whose sum is σ = 17893564416. Its totient is φ = 1311966720.

The previous prime is 5031115487. The next prime is 5031115511. The reversal of 5031115488 is 8845111305.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031115487) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22560945 + ... + 22561167.

It is an arithmetic number, because the mean of its divisors is an integer number (41420288).

Almost surely, 25031115488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5031115488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8946782208).

5031115488 is an abundant number, since it is smaller than the sum of its proper divisors (12862448928).

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

5031115488 is a wasteful number, since it uses less digits than its factorization.

5031115488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 5031115488 is about 70930.3566042072. The cubic root of 5031115488 is about 1713.5157297311.

The spelling of 5031115488 in words is "five billion, thirty-one million, one hundred fifteen thousand, four hundred eighty-eight".