Base | Representation |
---|---|
bin | 10101001100000110110… |
… | …10100100011101011000 |
3 | 2120121020100112010120011 |
4 | 22212003122210131120 |
5 | 43412023342102100 |
6 | 1314244041211304 |
7 | 103412602021525 |
oct | 12460332443530 |
9 | 2517210463504 |
10 | 728054253400 |
11 | 260847711491 |
12 | b9127a90b34 |
13 | 538696a2096 |
14 | 2734917814c |
15 | 13e11e88bba |
hex | a9836a4758 |
728054253400 has 48 divisors (see below), whose sum is σ = 1721416440600. Its totient is φ = 286285735680.
The previous prime is 728054253373. The next prime is 728054253403. The reversal of 728054253400 is 4352450827.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728054253403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30837957 + ... + 30861556.
Almost surely, 2728054253400 is an apocalyptic number.
It is an amenable number.
728054253400 is an abundant number, since it is smaller than the sum of its proper divisors (993362187200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728054253400 is a wasteful number, since it uses less digits than its factorization.
728054253400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61699588 (or 61699579 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 40.
The spelling of 728054253400 in words is "seven hundred twenty-eight billion, fifty-four million, two hundred fifty-three thousand, four hundred".
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