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11378499020 = 225781274993
BaseRepresentation
bin10101001100011011…
…00001110111001100
31002100222122122021122
422212031201313030
5141300343432040
65121024420112
7551653434350
oct124615416714
932328578248
1011378499020
1149099587a9
122256777638
1310c447b575
1479d279460
15468e071b5
hex2a6361dcc

11378499020 has 24 divisors (see below), whose sum is σ = 27308397984. Its totient is φ = 3901199616.

The previous prime is 11378498987. The next prime is 11378499029. The reversal of 11378499020 is 2099487311.

11378499020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11378499029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40637357 + ... + 40637636.

It is an arithmetic number, because the mean of its divisors is an integer number (1137849916).

Almost surely, 211378499020 is an apocalyptic number.

11378499020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11378499020 is an abundant number, since it is smaller than the sum of its proper divisors (15929898964).

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

11378499020 is a wasteful number, since it uses less digits than its factorization.

11378499020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81275009 (or 81275007 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 11378499020 in words is "eleven billion, three hundred seventy-eight million, four hundred ninety-nine thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 81274993 162549986 325099972 406374965 568924951 812749930 1137849902 1625499860 2275699804 2844624755 5689249510 11378499020