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22100230310312 = 23711678323327689
BaseRepresentation
bin1010000011001100111000…
…11000001000100110101000
32220020202120001022200020002
411001212130120020212220
510344042232424412222
6115000412230322132
74440455211063050
oct501463430104650
986222501280202
1022100230310312
117050722949520
12258b20a4b9348
13c44072c9511b
1456592a5a0560
15284d273e3392
hex14199c6089a8

22100230310312 has 256 divisors, whose sum is σ = 53295372748800. Its totient is φ = 8343506350080.

The previous prime is 22100230310293. The next prime is 22100230310317. The reversal of 22100230310312 is 21301303200122.

It is not an unprimeable number, because it can be changed into a prime (22100230310317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 798145364 + ... + 798173052.

It is an arithmetic number, because the mean of its divisors is an integer number (208185049800).

Almost surely, 222100230310312 is an apocalyptic number.

22100230310312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100230310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26647686374400).

22100230310312 is an abundant number, since it is smaller than the sum of its proper divisors (31195142438488).

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

22100230310312 is a wasteful number, since it uses less digits than its factorization.

22100230310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28096 (or 28092 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22100230310312 its reverse (21301303200122), we get a palindrome (43401533510434).

The spelling of 22100230310312 in words is "twenty-two trillion, one hundred billion, two hundred thirty million, three hundred ten thousand, three hundred twelve".