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14881542020 = 2257310192837
BaseRepresentation
bin11011101110000001…
…00100111110000100
31102102010020122212222
431313000210332010
5220434133321040
610500403031512
71034531006612
oct156700447604
942363218788
1014881542020
116347273864
122a7396b598
131532141c87
14a125ca6b2
155c1715bb5
hex377024f84

14881542020 has 24 divisors (see below), whose sum is σ = 31679340504. Its totient is φ = 5871073536.

The previous prime is 14881542001. The next prime is 14881542061. The reversal of 14881542020 is 2024518841.

It can be written as a sum of positive squares in 4 ways, for example, as 4151482624 + 10730059396 = 64432^2 + 103586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094959 + ... + 5097878.

It is an arithmetic number, because the mean of its divisors is an integer number (1319972521).

Almost surely, 214881542020 is an apocalyptic number.

14881542020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14881542020 is an abundant number, since it is smaller than the sum of its proper divisors (16797798484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14881542020 is a wasteful number, since it uses less digits than its factorization.

14881542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192919 (or 10192917 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 14881542020 in words is "fourteen billion, eight hundred eighty-one million, five hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 10192837 20385674 40771348 50964185 101928370 203856740 744077101 1488154202 2976308404 3720385505 7440771010 14881542020