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2113787088 = 2432721915767
BaseRepresentation
bin111110111111101…
…1101010011010000
312110022110111202200
41331333131103100
513312112141323
6545425443200
7103244615400
oct17577352320
95408414680
102113787088
119951a5586
124abaa0500
13278c073ba
14160a38800
15c588c443
hex7dfdd4d0

2113787088 has 180 divisors, whose sum is σ = 7244134560. Its totient is φ = 572116608.

The previous prime is 2113787063. The next prime is 2113787099. The reversal of 2113787088 is 8807873112.

It is a super-3 number, since 3×21137870883 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126181 + ... + 141947.

It is an arithmetic number, because the mean of its divisors is an integer number (40245192).

Almost surely, 22113787088 is an apocalyptic number.

2113787088 is a gapful number since it is divisible by the number (28) 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 2113787088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3622067280).

2113787088 is an abundant number, since it is smaller than the sum of its proper divisors (5130347472).

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

2113787088 is a wasteful number, since it uses less digits than its factorization.

2113787088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814 (or 15798 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 2113787088 is about 45975.9403166482. The cubic root of 2113787088 is about 1283.3755078886.

The spelling of 2113787088 in words is "two billion, one hundred thirteen million, seven hundred eighty-seven thousand, eighty-eight".