Base | Representation |
---|---|
bin | 10010111110010101… |
… | …000000010111100101 |
3 | 1221120211111000012022 |
4 | 102332111000113211 |
5 | 313210444444012 |
6 | 13205333032525 |
7 | 1320602016530 |
oct | 227625002745 |
9 | 57524430168 |
10 | 20373046757 |
11 | 8705065628 |
12 | 3b46a85745 |
13 | 1bc8a6cc6b |
14 | db3a71a17 |
15 | 7e38a8472 |
hex | 4be5405e5 |
20373046757 has 16 divisors (see below), whose sum is σ = 23586140160. Its totient is φ = 17237017728.
The previous prime is 20373046741. The next prime is 20373046769. The reversal of 20373046757 is 75764037302.
It is not a de Polignac number, because 20373046757 - 24 = 20373046741 is a prime.
It is a super-2 number, since 2×203730467572 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20373046717) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116969 + ... + 233297.
It is an arithmetic number, because the mean of its divisors is an integer number (1474133760).
Almost surely, 220373046757 is an apocalyptic number.
It is an amenable number.
20373046757 is a deficient number, since it is larger than the sum of its proper divisors (3213093403).
20373046757 is a wasteful number, since it uses less digits than its factorization.
20373046757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116660.
The product of its (nonzero) digits is 740880, while the sum is 44.
The spelling of 20373046757 in words is "twenty billion, three hundred seventy-three million, forty-six thousand, seven hundred fifty-seven".
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