Base | Representation |
---|---|
bin | 10010101010010111… |
… | …11110011111010110 |
3 | 221212020202220211110 |
4 | 21111023332133112 |
5 | 131004344344434 |
6 | 4334104515450 |
7 | 503166156252 |
oct | 112513763726 |
9 | 27766686743 |
10 | 10019137494 |
11 | 42815a6323 |
12 | 1b3747bb86 |
13 | c3895b132 |
14 | 6b0905262 |
15 | 3d98dd4e9 |
hex | 2552fe7d6 |
10019137494 has 32 divisors (see below), whose sum is σ = 21130128000. Its totient is φ = 3158357184.
The previous prime is 10019137441. The next prime is 10019137511. The reversal of 10019137494 is 49473191001.
It is a super-2 number, since 2×100191374942 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12364 + ... + 142095.
It is an arithmetic number, because the mean of its divisors is an integer number (660316500).
Almost surely, 210019137494 is an apocalyptic number.
10019137494 is an abundant number, since it is smaller than the sum of its proper divisors (11110990506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10019137494 is a wasteful number, since it uses less digits than its factorization.
10019137494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155052.
The product of its (nonzero) digits is 27216, while the sum is 39.
The spelling of 10019137494 in words is "ten billion, nineteen million, one hundred thirty-seven thousand, four hundred ninety-four".
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