Base | Representation |
---|---|
bin | 10100100000110001100110… |
… | …011110011001110000011000 |
3 | 102211102022001212200220211112 |
4 | 110200301212132121300120 |
5 | 43311023124324043112 |
6 | 515511213321515452 |
7 | 25000455333422330 |
oct | 2440614636316030 |
9 | 384368055626745 |
10 | 90213212331032 |
11 | 268212325641aa |
12 | a14bb12342b88 |
13 | 3b450b969245b |
14 | 183c4b28020c0 |
15 | a669bcbe5a22 |
hex | 520c66799c18 |
90213212331032 has 64 divisors (see below), whose sum is σ = 200431451116800. Its totient is φ = 37245339331200.
The previous prime is 90213212331013. The next prime is 90213212331037. The reversal of 90213212331032 is 23013321231209.
It is a self number, because there is not a number n which added to its sum of digits gives 90213212331032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90213212331037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61978094 + ... + 63416957.
It is an arithmetic number, because the mean of its divisors is an integer number (3131741423700).
Almost surely, 290213212331032 is an apocalyptic number.
It is an amenable number.
90213212331032 is an abundant number, since it is smaller than the sum of its proper divisors (110218238785768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90213212331032 is a wasteful number, since it uses less digits than its factorization.
90213212331032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125395536 (or 125395532 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 32.
The spelling of 90213212331032 in words is "ninety trillion, two hundred thirteen billion, two hundred twelve million, three hundred thirty-one thousand, thirty-two".
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