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90620136112 = 241119193140411
BaseRepresentation
bin101010001100101100…
…0011000101010110000
322122220110202212221111
41110121120120222300
52441042223323422
6105344052003104
76355436306362
oct1243130305260
9278813685844
1090620136112
1135482782580
1215690600494
13871244b21c
144559406d32
152555a25a77
hex1519618ab0

90620136112 has 80 divisors (see below), whose sum is σ = 202665064320. Its totient is φ = 38820556800.

The previous prime is 90620136109. The next prime is 90620136119. The reversal of 90620136112 is 21163102609.

It is not an unprimeable number, because it can be changed into a prime (90620136119) 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, 575187 + ... + 715597.

It is an arithmetic number, because the mean of its divisors is an integer number (2533313304).

Almost surely, 290620136112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90620136112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101332532160).

90620136112 is an abundant number, since it is smaller than the sum of its proper divisors (112044928208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90620136112 is a wasteful number, since it uses less digits than its factorization.

90620136112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140642 (or 140636 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 90620136112 in words is "ninety billion, six hundred twenty million, one hundred thirty-six thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 193 209 304 386 418 772 836 1544 1672 2123 3088 3344 3667 4246 7334 8492 14668 16984 29336 33968 40337 58672 80674 140411 161348 280822 322696 561644 645392 1123288 1544521 2246576 2667809 3089042 5335618 6178084 10671236 12356168 21342472 24712336 27099323 29345899 42684944 54198646 58691798 108397292 117383596 216794584 234767192 298092553 433589168 469534384 514887137 596185106 1029774274 1192370212 2059548548 2384740424 4119097096 4769480848 5663758507 8238194192 11327517014 22655034028 45310068056 90620136112