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7918142418988 = 221979535604747
BaseRepresentation
bin111001100111001011000…
…0100001111000000101100
31001000222002221220102202121
41303032112010033000230
52014212323424401423
624501313332002324
71445031644026444
oct163162604170054
931028087812677
107918142418988
112583079a7403a
12a7a709a603a4
134558a698b3a9
141d5350d1d124
15dae8086745d
hex7339610f02c

7918142418988 has 6 divisors (see below), whose sum is σ = 13856749233236. Its totient is φ = 3959071209492.

The previous prime is 7918142418983. The next prime is 7918142418997. The reversal of 7918142418988 is 8898142418197.

It is a super-2 number, since 2×79181424189882 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7918142418983) by changing a digit.

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, 989767802370 + ... + 989767802377.

Almost surely, 27918142418988 is an apocalyptic number.

It is an amenable number.

7918142418988 is a deficient number, since it is larger than the sum of its proper divisors (5938606814248).

7918142418988 is a wasteful number, since it uses less digits than its factorization.

7918142418988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979535604751 (or 1979535604749 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 70.

The spelling of 7918142418988 in words is "seven trillion, nine hundred eighteen billion, one hundred forty-two million, four hundred eighteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 1979535604747 3959071209494 7918142418988