Base | Representation |
---|---|
bin | 10010101100010100… |
… | …100101001001001100 |
3 | 1220210210000122222112 |
4 | 102230110211021030 |
5 | 312101130222411 |
6 | 13115342003152 |
7 | 1310243135450 |
oct | 225424451114 |
9 | 56723018875 |
10 | 20070945356 |
11 | 856a586350 |
12 | 3a818764b8 |
13 | 1b7b2b7837 |
14 | d858b2660 |
15 | 7c70d1b8b |
hex | 4ac52524c |
20070945356 has 48 divisors (see below), whose sum is σ = 45301213440. Its totient is φ = 7550195520.
The previous prime is 20070945347. The next prime is 20070945379. The reversal of 20070945356 is 65354907002.
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, 1114610 + ... + 1132473.
It is an arithmetic number, because the mean of its divisors is an integer number (943775280).
Almost surely, 220070945356 is an apocalyptic number.
It is an amenable number.
20070945356 is an abundant number, since it is smaller than the sum of its proper divisors (25230268084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20070945356 is a wasteful number, since it uses less digits than its factorization.
20070945356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2247134 (or 2247132 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 41.
The spelling of 20070945356 in words is "twenty billion, seventy million, nine hundred forty-five thousand, three hundred fifty-six".
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