Base | Representation |
---|---|
bin | 111101010110110… |
… | …1000010100000101 |
3 | 12022110221221220121 |
4 | 1322231220110011 |
5 | 13204022010312 |
6 | 540142501541 |
7 | 102006233521 |
oct | 17255502405 |
9 | 5273857817 |
10 | 2058781957 |
11 | 9671463a1 |
12 | 4955948b1 |
13 | 26a6b8a9b |
14 | 1575dad81 |
15 | c0b24707 |
hex | 7ab68505 |
2058781957 has 12 divisors (see below), whose sum is σ = 2282105376. Its totient is φ = 1853424320.
The previous prime is 2058781943. The next prime is 2058781961. The reversal of 2058781957 is 7591878502.
It is a happy number.
It is not a de Polignac number, because 2058781957 - 223 = 2050393349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2058781927) 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, 148219 + ... + 161512.
It is an arithmetic number, because the mean of its divisors is an integer number (190175448).
Almost surely, 22058781957 is an apocalyptic number.
It is an amenable number.
2058781957 is a deficient number, since it is larger than the sum of its proper divisors (223323419).
2058781957 is a wasteful number, since it uses less digits than its factorization.
2058781957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309788 (or 309771 counting only the distinct ones).
The product of its (nonzero) digits is 1411200, while the sum is 52.
The square root of 2058781957 is about 45373.8025406732. The cubic root of 2058781957 is about 1272.1454955089.
The spelling of 2058781957 in words is "two billion, fifty-eight million, seven hundred eighty-one thousand, nine hundred fifty-seven".
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