Base | Representation |
---|---|
bin | 100001111110001… |
… | …1011011011001000 |
3 | 2221102221122122100 |
4 | 1003330123123020 |
5 | 4313304230230 |
6 | 305040153400 |
7 | 40151053500 |
oct | 10374333310 |
9 | 2842848570 |
10 | 1139914440 |
11 | 5354a7655 |
12 | 279908860 |
13 | 1522175b2 |
14 | ab56ca00 |
15 | 6a11c660 |
hex | 43f1b6c8 |
1139914440 has 144 divisors (see below), whose sum is σ = 4309641180. Its totient is φ = 260547840.
The previous prime is 1139914429. The next prime is 1139914441. The reversal of 1139914440 is 444199311.
1139914440 is a `hidden beast` number, since 113 + 99 + 14 + 440 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 958150116 + 181764324 = 30954^2 + 13482^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1139914395 and 1139914404.
It is not an unprimeable number, because it can be changed into a prime (1139914441) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14671 + ... + 49950.
Almost surely, 21139914440 is an apocalyptic number.
1139914440 is a gapful number since it is divisible by the number (10) 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 1139914440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154820590).
1139914440 is an abundant number, since it is smaller than the sum of its proper divisors (3169726740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1139914440 is a wasteful number, since it uses less digits than its factorization.
1139914440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64652 (or 64638 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 1139914440 is about 33762.6189742443. The cubic root of 1139914440 is about 1044.6177917432.
The spelling of 1139914440 in words is "one billion, one hundred thirty-nine million, nine hundred fourteen thousand, four hundred forty".
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