Base | Representation |
---|---|
bin | 101010000100101001… |
… | …1010100111101111100 |
3 | 22122012200011120222001 |
4 | 1110021103110331330 |
5 | 2440014143443110 |
6 | 105301214032044 |
7 | 6345652341241 |
oct | 1241123247574 |
9 | 278180146861 |
10 | 90350374780 |
11 | 35354481926 |
12 | 156161a8624 |
13 | 869b5a9c33 |
14 | 45316655c8 |
15 | 253bedb63a |
hex | 15094d4f7c |
90350374780 has 24 divisors (see below), whose sum is σ = 189827578080. Its totient is φ = 36122665920.
The previous prime is 90350374769. The next prime is 90350374781. The reversal of 90350374780 is 8747305309.
It is a happy number.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 90350374780.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90350374781) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050336 + ... + 1133095.
It is an arithmetic number, because the mean of its divisors is an integer number (7909482420).
Almost surely, 290350374780 is an apocalyptic number.
It is an amenable number.
90350374780 is an abundant number, since it is smaller than the sum of its proper divisors (99477203300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90350374780 is a wasteful number, since it uses less digits than its factorization.
90350374780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2185509 (or 2185507 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 46.
It can be divided in two parts, 90350 and 374780, that added together give a triangular number (465130 = T964).
The spelling of 90350374780 in words is "ninety billion, three hundred fifty million, three hundred seventy-four thousand, seven hundred eighty".
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