Base | Representation |
---|---|
bin | 10010111100100100… |
… | …001001011110001010 |
3 | 1221111202210221020001 |
4 | 102330210021132022 |
5 | 313130411234040 |
6 | 13202354553214 |
7 | 1320062400112 |
oct | 227444113612 |
9 | 57452727201 |
10 | 20343461770 |
11 | 869a398a25 |
12 | 3b38b9880a |
13 | 1bc28b1b58 |
14 | dadb70042 |
15 | 7e0eb259a |
hex | 4bc90978a |
20343461770 has 16 divisors (see below), whose sum is σ = 36995740488. Its totient is φ = 8053493760.
The previous prime is 20343461729. The next prime is 20343461771. The reversal of 20343461770 is 7716434302.
It can be written as a sum of positive squares in 4 ways, for example, as 11514792249 + 8828669521 = 107307^2 + 93961^2 .
It is not an unprimeable number, because it can be changed into a prime (20343461771) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10485351 + ... + 10487290.
Almost surely, 220343461770 is an apocalyptic number.
20343461770 is a deficient number, since it is larger than the sum of its proper divisors (16652278718).
20343461770 is a wasteful number, since it uses less digits than its factorization.
20343461770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20972745.
The product of its (nonzero) digits is 84672, while the sum is 37.
The spelling of 20343461770 in words is "twenty billion, three hundred forty-three million, four hundred sixty-one thousand, seven hundred seventy".
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