Search a number
-
+
52012287878 = 231838907869
BaseRepresentation
bin110000011100001011…
…001000011110000110
311222020211021222122112
4300130023020132012
51323010121203003
635521043501022
73520625103155
oct603413103606
9158224258575
1052012287878
1120070642791
12a0b6987772
134b9b92a105
142735aa759c
1515463833d8
hexc1c2c8786

52012287878 has 8 divisors (see below), whose sum is σ = 80535155520. Its totient is φ = 25167236040.

The previous prime is 52012287773. The next prime is 52012287911. The reversal of 52012287878 is 87878221025.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419453873 + ... + 419453996.

It is an arithmetic number, because the mean of its divisors is an integer number (10066894440).

Almost surely, 252012287878 is an apocalyptic number.

52012287878 is a deficient number, since it is larger than the sum of its proper divisors (28522867642).

52012287878 is a wasteful number, since it uses less digits than its factorization.

52012287878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838907902.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The spelling of 52012287878 in words is "fifty-two billion, twelve million, two hundred eighty-seven thousand, eight hundred seventy-eight".

Divisors: 1 2 31 62 838907869 1677815738 26006143939 52012287878