Base | Representation |
---|---|
bin | 100101111110111101… |
… | …010111000100111110 |
3 | 10220021100122110020020 |
4 | 211332331113010332 |
5 | 1132011342021230 |
6 | 30423010033010 |
7 | 2642453254524 |
oct | 457675270476 |
9 | 126240573206 |
10 | 40784720190 |
11 | 16329a02a25 |
12 | 7aa2878766 |
13 | 3acc815636 |
14 | 1d8c8ba314 |
15 | 10da841810 |
hex | 97ef5713e |
40784720190 has 32 divisors (see below), whose sum is σ = 97890840576. Its totient is φ = 10875090720.
The previous prime is 40784720153. The next prime is 40784720239. The reversal of 40784720190 is 9102748704.
It is a happy number.
It is a super-2 number, since 2×407847201902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413355 + ... + 502425.
It is an arithmetic number, because the mean of its divisors is an integer number (3059088768).
Almost surely, 240784720190 is an apocalyptic number.
40784720190 is an abundant number, since it is smaller than the sum of its proper divisors (57106120386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40784720190 is a wasteful number, since it uses less digits than its factorization.
40784720190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104344.
The product of its (nonzero) digits is 112896, while the sum is 42.
The spelling of 40784720190 in words is "forty billion, seven hundred eighty-four million, seven hundred twenty thousand, one hundred ninety".
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