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55742060678 = 227871030339
BaseRepresentation
bin110011111010011111…
…000101100010000110
312022212202112002001212
4303322133011202012
51403124431420203
641335121451422
74012224461303
oct637237054206
9168782462055
1055742060678
1121704a38247
12a977aa0b72
135344576475
1429ab1980aa
1516b3a2b1d8
hexcfa7c5886

55742060678 has 4 divisors (see below), whose sum is σ = 83613091020. Its totient is φ = 27871030338.

The previous prime is 55742060669. The next prime is 55742060687. The reversal of 55742060678 is 87606024755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87606024755 = 517521204951.

It is an interprime number because it is at equal distance from previous prime (55742060669) and next prime (55742060687).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13935515168 + ... + 13935515171.

It is an arithmetic number, because the mean of its divisors is an integer number (20903272755).

Almost surely, 255742060678 is an apocalyptic number.

55742060678 is a deficient number, since it is larger than the sum of its proper divisors (27871030342).

55742060678 is a wasteful number, since it uses less digits than its factorization.

55742060678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27871030341.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 55742060678 in words is "fifty-five billion, seven hundred forty-two million, sixty thousand, six hundred seventy-eight".

Divisors: 1 2 27871030339 55742060678