Base | Representation |
---|---|
bin | 10011000001110001… |
… | …01010101001000110 |
3 | 222100221002012012020 |
4 | 21200320222221012 |
5 | 131410120331204 |
6 | 4405355304010 |
7 | 511101325164 |
oct | 114070525106 |
9 | 28327065166 |
10 | 10215402054 |
11 | 4372367840 |
12 | 1b9114b006 |
13 | c6a508100 |
14 | 6cc9d4234 |
15 | 3ebc5abd9 |
hex | 260e2aa46 |
10215402054 has 48 divisors (see below), whose sum is σ = 24134531904. Its totient is φ = 2857452000.
The previous prime is 10215402049. The next prime is 10215402103. The reversal of 10215402054 is 45020451201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446772 + ... + 469079.
It is an arithmetic number, because the mean of its divisors is an integer number (502802748).
Almost surely, 210215402054 is an apocalyptic number.
10215402054 is an abundant number, since it is smaller than the sum of its proper divisors (13919129850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10215402054 is a wasteful number, since it uses less digits than its factorization.
10215402054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915893 (or 915880 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
Adding to 10215402054 its reverse (45020451201), we get a palindrome (55235853255).
The spelling of 10215402054 in words is "ten billion, two hundred fifteen million, four hundred two thousand, fifty-four".
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