Base | Representation |
---|---|
bin | 10010111111111111… |
… | …101110110011101000 |
3 | 1221122210010102002002 |
4 | 102333333232303220 |
5 | 313240130233412 |
6 | 13212212430132 |
7 | 1321361562521 |
oct | 227777566350 |
9 | 57583112062 |
10 | 20401024232 |
11 | 8719934506 |
12 | 3b54318348 |
13 | 1c017b7494 |
14 | db7675848 |
15 | 7e6082dc2 |
hex | 4bffeece8 |
20401024232 has 32 divisors (see below), whose sum is σ = 39158570880. Its totient is φ = 9958945920.
The previous prime is 20401024229. The next prime is 20401024247. The reversal of 20401024232 is 23242010402.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863132 + ... + 886452.
It is an arithmetic number, because the mean of its divisors is an integer number (1223705340).
Almost surely, 220401024232 is an apocalyptic number.
It is an amenable number.
20401024232 is a deficient number, since it is larger than the sum of its proper divisors (18757546648).
20401024232 is a wasteful number, since it uses less digits than its factorization.
20401024232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25913 (or 25909 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20401024232 its reverse (23242010402), we get a palindrome (43643034634).
The spelling of 20401024232 in words is "twenty billion, four hundred one million, twenty-four thousand, two hundred thirty-two".
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