Base | Representation |
---|---|
bin | 101001111011000111… |
… | …0011000111010110100 |
3 | 22121101100220202221020 |
4 | 1103312032120322310 |
5 | 2433340230010030 |
6 | 105205342021140 |
7 | 6335015015025 |
oct | 1236616307264 |
9 | 277340822836 |
10 | 90030313140 |
11 | 351aa845879 |
12 | 15546b777b0 |
13 | 864a1a6951 |
14 | 4500d4cc4c |
15 | 251dd68510 |
hex | 14f6398eb4 |
90030313140 has 48 divisors (see below), whose sum is σ = 252799057728. Its totient is φ = 23940066304.
The previous prime is 90030313133. The next prime is 90030313171. The reversal of 90030313140 is 4131303009.
It is a self number, because there is not a number n which added to its sum of digits gives 90030313140.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2104182 + ... + 2146541.
It is an arithmetic number, because the mean of its divisors is an integer number (5266647036).
Almost surely, 290030313140 is an apocalyptic number.
It is an amenable number.
90030313140 is an abundant number, since it is smaller than the sum of its proper divisors (162768744588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90030313140 is a wasteful number, since it uses less digits than its factorization.
90030313140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4251088 (or 4251086 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 90030313140 its reverse (4131303009), we get a palindrome (94161616149).
The spelling of 90030313140 in words is "ninety billion, thirty million, three hundred thirteen thousand, one hundred forty".
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