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2013850080 = 253351142379
BaseRepresentation
bin111100000001000…
…1110100111100000
312012100102011222000
41320002032213200
513111021200310
6531455444000
7100622305014
oct17002164740
95170364860
102013850080
11943847410
12482526600
132612b6488
14151662544
15bbbeb4c0
hex7808e9e0

2013850080 has 192 divisors, whose sum is σ = 7689427200. Its totient is φ = 488194560.

The previous prime is 2013850037. The next prime is 2013850093. The reversal of 2013850080 is 800583102.

It is a happy number.

2013850080 is a `hidden beast` number, since 20 + 138 + 500 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26331 + ... + 68709.

It is an arithmetic number, because the mean of its divisors is an integer number (40049100).

Almost surely, 22013850080 is an apocalyptic number.

2013850080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013850080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3844713600).

2013850080 is an abundant number, since it is smaller than the sum of its proper divisors (5675577120).

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

2013850080 is a wasteful number, since it uses less digits than its factorization.

2013850080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42414 (or 42400 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2013850080 is about 44875.9409929196. The cubic root of 2013850080 is about 1262.8226967159.

The spelling of 2013850080 in words is "two billion, thirteen million, eight hundred fifty thousand, eighty".