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18628777112030 = 257741240650783
BaseRepresentation
bin1000011110001010110011…
…01001000111000111011110
32102221220010111200110121222
410033011121221013013132
54420203213420041110
6103341535252453342
73631612314544421
oct417053151070736
972856114613558
1018628777112030
115a32469034a68
12210a46b91a252
13a518bc5c5a07
144858cd8cd9b8
1522489d2e2c55
hex10f159a471de

18628777112030 has 16 divisors (see below), whose sum is σ = 33536130655104. Its totient is φ = 7450548210720.

The previous prime is 18628777112017. The next prime is 18628777112041. The reversal of 18628777112030 is 3021177782681.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120247982 + ... + 120402801.

It is an arithmetic number, because the mean of its divisors is an integer number (2096008165944).

Almost surely, 218628777112030 is an apocalyptic number.

18628777112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18628777112030 is a deficient number, since it is larger than the sum of its proper divisors (14907353543074).

18628777112030 is a wasteful number, since it uses less digits than its factorization.

18628777112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240658531.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 18628777112030 in words is "eighteen trillion, six hundred twenty-eight billion, seven hundred seventy-seven million, one hundred twelve thousand, thirty".

Divisors: 1 2 5 10 7741 15482 38705 77410 240650783 481301566 1203253915 2406507830 1862877711203 3725755422406 9314388556015 18628777112030