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54767742087 = 3139131337511
BaseRepresentation
bin110011000000011010…
…010110110010000111
312020100212011120020010
4303000122112302013
51344131020221322
641054314441303
73646124061312
oct630032266207
9166325146203
1054767742087
1121254a65273
12a745733233
13521a75b6a6
142917a13979
15165821e20c
hexcc0696c87

54767742087 has 8 divisors (see below), whose sum is σ = 73549006720. Its totient is φ = 36249152760.

The previous prime is 54767742049. The next prime is 54767742119. The reversal of 54767742087 is 78024776745.

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

It is not a de Polignac number, because 54767742087 - 26 = 54767742023 is a prime.

It is a super-2 number, since 2×547677420872 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54767742787) 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, 65668339 + ... + 65669172.

It is an arithmetic number, because the mean of its divisors is an integer number (9193625840).

Almost surely, 254767742087 is an apocalyptic number.

54767742087 is a deficient number, since it is larger than the sum of its proper divisors (18781264633).

54767742087 is a wasteful number, since it uses less digits than its factorization.

54767742087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131337653.

The product of its (nonzero) digits is 18439680, while the sum is 57.

The spelling of 54767742087 in words is "fifty-four billion, seven hundred sixty-seven million, seven hundred forty-two thousand, eighty-seven".

Divisors: 1 3 139 417 131337511 394012533 18255914029 54767742087