Base | Representation |
---|---|
bin | 10010111111111101… |
… | …011000001001101110 |
3 | 1221122201222001121012 |
4 | 102333331120021232 |
5 | 313240001012100 |
6 | 13212151305222 |
7 | 1321353412454 |
oct | 227775301156 |
9 | 57581861535 |
10 | 20400407150 |
11 | 8719552922 |
12 | 3b5407b212 |
13 | 1c0162c646 |
14 | db75549d4 |
15 | 7e5eb0135 |
hex | 4bff5826e |
20400407150 has 96 divisors (see below), whose sum is σ = 41615907840. Its totient is φ = 7406784000.
The previous prime is 20400407147. The next prime is 20400407161. The reversal of 20400407150 is 5170400402.
It is a super-2 number, since 2×204004071502 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8720681 + ... + 8723019.
It is an arithmetic number, because the mean of its divisors is an integer number (433499040).
Almost surely, 220400407150 is an apocalyptic number.
20400407150 is an abundant number, since it is smaller than the sum of its proper divisors (21215500690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20400407150 is a wasteful number, since it uses less digits than its factorization.
20400407150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2730 (or 2725 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 23.
Adding to 20400407150 its reverse (5170400402), we get a palindrome (25570807552).
The spelling of 20400407150 in words is "twenty billion, four hundred million, four hundred seven thousand, one hundred fifty".
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