Search a number
-
+
52537942169 = 193302983719
BaseRepresentation
bin110000111011100000…
…010110000010011001
312000121110101222202222
4300323200112002121
51330044203122134
640045142233425
73536640066026
oct607340260231
9160543358688
1052537942169
1120310331619
12a222a25875
134c537c515b
14278581a54d
1515775b7a2e
hexc3b816099

52537942169 has 8 divisors (see below), whose sum is σ = 55305432000. Its totient is φ = 49770685872.

The previous prime is 52537942157. The next prime is 52537942183. The reversal of 52537942169 is 96124973525.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52537942169 is a prime.

It is a super-2 number, since 2×525379421692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52537942169.

It is not an unprimeable number, because it can be changed into a prime (52537947169) 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, 585692 + ... + 669410.

It is an arithmetic number, because the mean of its divisors is an integer number (6913179000).

Almost surely, 252537942169 is an apocalyptic number.

It is an amenable number.

52537942169 is a deficient number, since it is larger than the sum of its proper divisors (2767489831).

52537942169 is a wasteful number, since it uses less digits than its factorization.

52537942169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116767.

The product of its digits is 4082400, while the sum is 53.

The spelling of 52537942169 in words is "fifty-two billion, five hundred thirty-seven million, nine hundred forty-two thousand, one hundred sixty-nine".

Divisors: 1 19 33029 83719 627551 1590661 2765154851 52537942169