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61152368331 = 396497211241
BaseRepresentation
bin111000111100111101…
…110001011011001011
312211211210222011220210
4320330331301123023
52000220001241311
644032031252203
74263261361065
oct707475613313
9184753864823
1061152368331
1123a30a1048a
12ba2797a063
1359c7415242
142d61944735
1518cd9d03a6
hexe3cf716cb

61152368331 has 8 divisors (see below), whose sum is σ = 81537722064. Its totient is φ = 40767630080.

The previous prime is 61152368279. The next prime is 61152368369. The reversal of 61152368331 is 13386325116.

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 61152368331 - 210 = 61152367307 is a prime.

It is a super-2 number, since 2×611523683312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61152368331.

It is not an unprimeable number, because it can be changed into a prime (61152368371) 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, 183871 + ... + 395111.

It is an arithmetic number, because the mean of its divisors is an integer number (10192215258).

Almost surely, 261152368331 is an apocalyptic number.

61152368331 is a deficient number, since it is larger than the sum of its proper divisors (20385353733).

61152368331 is a wasteful number, since it uses less digits than its factorization.

61152368331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307741.

The product of its digits is 77760, while the sum is 39.

The spelling of 61152368331 in words is "sixty-one billion, one hundred fifty-two million, three hundred sixty-eight thousand, three hundred thirty-one".

Divisors: 1 3 96497 211241 289491 633723 20384122777 61152368331