Base | Representation |
---|---|
bin | 101010000011100100… |
… | …1111011101111100011 |
3 | 22122010011101201212021 |
4 | 1110013021323233203 |
5 | 2434430433421411 |
6 | 105253450042311 |
7 | 6345034242253 |
oct | 1240711735743 |
9 | 278104351767 |
10 | 90314357731 |
11 | 35336111774 |
12 | 15606119397 |
13 | 8693ca9280 |
14 | 452a96b963 |
15 | 2538c74a71 |
hex | 150727bbe3 |
90314357731 has 8 divisors (see below), whose sum is σ = 102380648720. Its totient is φ = 78979357152.
The previous prime is 90314357681. The next prime is 90314357747. The reversal of 90314357731 is 13775341309.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90314357731 - 213 = 90314349539 is a prime.
It is a super-2 number, since 2×903143577312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90314354731) 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, 182822340 + ... + 182822833.
It is an arithmetic number, because the mean of its divisors is an integer number (12797581090).
Almost surely, 290314357731 is an apocalyptic number.
90314357731 is a deficient number, since it is larger than the sum of its proper divisors (12066290989).
90314357731 is a wasteful number, since it uses less digits than its factorization.
90314357731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365645205.
The product of its (nonzero) digits is 238140, while the sum is 43.
The spelling of 90314357731 in words is "ninety billion, three hundred fourteen million, three hundred fifty-seven thousand, seven hundred thirty-one".
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