Base | Representation |
---|---|
bin | 101001111011011110… |
… | …0011000000101011111 |
3 | 22121102012121020120112 |
4 | 1103312330120011133 |
5 | 2433401321241401 |
6 | 105210452240235 |
7 | 6335222334305 |
oct | 1236674300537 |
9 | 277365536515 |
10 | 90042368351 |
11 | 3520662a061 |
12 | 1554b01007b |
13 | 864c837b00 |
14 | 45027aa275 |
15 | 251ee4a3bb |
hex | 14f6f1815f |
90042368351 has 24 divisors (see below), whose sum is σ = 106027192944. Its totient is φ = 76112524800.
The previous prime is 90042368293. The next prime is 90042368413. The reversal of 90042368351 is 15386324009.
It is not a de Polignac number, because 90042368351 - 26 = 90042368287 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 90042368299 and 90042368308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90042368951) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317225 + ... + 529826.
It is an arithmetic number, because the mean of its divisors is an integer number (4417799706).
Almost surely, 290042368351 is an apocalyptic number.
90042368351 is a deficient number, since it is larger than the sum of its proper divisors (15984824593).
90042368351 is a wasteful number, since it uses less digits than its factorization.
90042368351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 847131 (or 847118 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 41.
The spelling of 90042368351 in words is "ninety billion, forty-two million, three hundred sixty-eight thousand, three hundred fifty-one".
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