Search a number
-
+
52157487398 = 2171534043747
BaseRepresentation
bin110000100100110101…
…000001100100100110
311222121221111212221112
4300210311001210212
51323304304044043
635543311545022
73524340220322
oct604465014446
9158557455845
1052157487398
11201355a6295
12a13752b172
134bc2a37ca3
14274b0a2982
151553eb5518
hexc24d41926

52157487398 has 8 divisors (see below), whose sum is σ = 82838362392. Its totient is φ = 24544699936.

The previous prime is 52157487391. The next prime is 52157487413. The reversal of 52157487398 is 89378475125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52157487391) 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, 767021840 + ... + 767021907.

It is an arithmetic number, because the mean of its divisors is an integer number (10354795299).

Almost surely, 252157487398 is an apocalyptic number.

52157487398 is a deficient number, since it is larger than the sum of its proper divisors (30680874994).

52157487398 is a wasteful number, since it uses less digits than its factorization.

52157487398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534043766.

The product of its digits is 16934400, while the sum is 59.

The spelling of 52157487398 in words is "fifty-two billion, one hundred fifty-seven million, four hundred eighty-seven thousand, three hundred ninety-eight".

Divisors: 1 2 17 34 1534043747 3068087494 26078743699 52157487398