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11319889240 = 2351125727021
BaseRepresentation
bin10101000101011011…
…11100110101011000
31002012220100221210001
422202231330311120
5141140342423430
65111132302344
7550342320352
oct124255746530
932186327701
1011319889240
114889867370
12223b0119b4
1310b529a31a
147955800d2
15463bcb3ca
hex2a2b7cd58

11319889240 has 32 divisors (see below), whose sum is σ = 27785183760. Its totient is φ = 4116323200.

The previous prime is 11319889237. The next prime is 11319889279. The reversal of 11319889240 is 4298891311.

It is a congruent number.

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, 12863071 + ... + 12863950.

Almost surely, 211319889240 is an apocalyptic number.

11319889240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11319889240 is an abundant number, since it is smaller than the sum of its proper divisors (16465294520).

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

11319889240 is a wasteful number, since it uses less digits than its factorization.

11319889240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25727043 (or 25727039 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 11319889240 in words is "eleven billion, three hundred nineteen million, eight hundred eighty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 25727021 51454042 102908084 128635105 205816168 257270210 282997231 514540420 565994462 1029080840 1131988924 1414986155 2263977848 2829972310 5659944620 11319889240