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4993137791 = 31533039037
BaseRepresentation
bin1001010011001110…
…10011110001111111
3110212222110200101022
410221213103301333
540211220402131
62143244134355
7234506654015
oct45147236177
913788420338
104993137791
112132550364
12b742373bb
136175c8305
143551d68b5
151e354d37b
hex1299d3c7f

4993137791 has 8 divisors (see below), whose sum is σ = 5251457664. Its totient is φ = 4740896160.

The previous prime is 4993137767. The next prime is 4993137817. The reversal of 4993137791 is 1977313994.

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

It is a cyclic number.

It is not a de Polignac number, because 4993137791 - 218 = 4992875647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4993137701) 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, 1517876 + ... + 1521161.

It is an arithmetic number, because the mean of its divisors is an integer number (656432208).

Almost surely, 24993137791 is an apocalyptic number.

4993137791 is a deficient number, since it is larger than the sum of its proper divisors (258319873).

4993137791 is a wasteful number, since it uses less digits than its factorization.

4993137791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039121.

The product of its digits is 1285956, while the sum is 53.

The square root of 4993137791 is about 70662.1383132438. The cubic root of 4993137791 is about 1709.1933077032.

The spelling of 4993137791 in words is "four billion, nine hundred ninety-three million, one hundred thirty-seven thousand, seven hundred ninety-one".

Divisors: 1 31 53 1643 3039037 94210147 161068961 4993137791