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5723732987 = 72928195729
BaseRepresentation
bin1010101010010100…
…10011101111111011
3112202220012202120122
411111022103233323
543210233423422
62343543243455
7261560633120
oct52512235773
915686182518
105723732987
112477997345
121138a4958b
13702a8a56b
143c4256747
15237765d42
hex155293bfb

5723732987 has 8 divisors (see below), whose sum is σ = 6766975200. Its totient is φ = 4736882304.

The previous prime is 5723732951. The next prime is 5723732999. The reversal of 5723732987 is 7892373275.

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

It is not a de Polignac number, because 5723732987 - 216 = 5723667451 is a prime.

It is a super-2 number, since 2×57237329872 = 65522238612943884338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5723732887) 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, 14097662 + ... + 14098067.

It is an arithmetic number, because the mean of its divisors is an integer number (845871900).

Almost surely, 25723732987 is an apocalyptic number.

5723732987 is a deficient number, since it is larger than the sum of its proper divisors (1043242213).

5723732987 is a wasteful number, since it uses less digits than its factorization.

5723732987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28195765.

The product of its digits is 4445280, while the sum is 53.

The square root of 5723732987 is about 75655.3566312393. The cubic root of 5723732987 is about 1788.7917719544.

The spelling of 5723732987 in words is "five billion, seven hundred twenty-three million, seven hundred thirty-two thousand, nine hundred eighty-seven".

Divisors: 1 7 29 203 28195729 197370103 817676141 5723732987