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90213212331032 = 23729443125395051
BaseRepresentation
bin10100100000110001100110…
…011110011001110000011000
3102211102022001212200220211112
4110200301212132121300120
543311023124324043112
6515511213321515452
725000455333422330
oct2440614636316030
9384368055626745
1090213212331032
11268212325641aa
12a14bb12342b88
133b450b969245b
14183c4b28020c0
15a669bcbe5a22
hex520c66799c18

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".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 443 812 886 1624 1772 3101 3544 6202 12404 12847 24808 25694 51388 89929 102776 179858 359716 719432 125395051 250790102 501580204 877765357 1003160408 1755530714 3511061428 3636456479 7022122856 7272912958 14545825916 25455195353 29091651832 50910390706 55550007593 101820781412 111100015186 203641562824 222200030372 388850053151 444400060744 777700106302 1555400212604 1610950220197 3110800425208 3221900440394 6443800880788 11276651541379 12887601761576 22553303082758 45106606165516 90213212331032