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10023111112 = 237253482437
BaseRepresentation
bin10010101010110110…
…01000100111001000
3221212112020210121111
421111123020213020
5131011404023422
64334330020104
7503245016200
oct112533104710
927775223544
1010023111112
11428386a803
121b38877634
13c3971c9a1
146b125b400
153d9e25a77
hex2556c89c8

10023111112 has 48 divisors (see below), whose sum is σ = 22274162460. Its totient is φ = 4214560896.

The previous prime is 10023111089. The next prime is 10023111121. The reversal of 10023111112 is 21111132001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10022812996 + 298116 = 100114^2 + 546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10023111092 and 10023111101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220443 + ... + 261994.

Almost surely, 210023111112 is an apocalyptic number.

It is an amenable number.

10023111112 is an abundant number, since it is smaller than the sum of its proper divisors (12251051348).

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

10023111112 is a wasteful number, since it uses less digits than its factorization.

10023111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482510 (or 482499 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10023111112 its reverse (21111132001), we get a palindrome (31134243113).

The spelling of 10023111112 in words is "ten billion, twenty-three million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 49 53 56 98 106 196 212 371 392 424 742 1484 2597 2968 5194 10388 20776 482437 964874 1929748 3377059 3859496 6754118 13508236 23639413 25569161 27016472 47278826 51138322 94557652 102276644 178984127 189115304 204553288 357968254 715936508 1252888889 1431873016 2505777778 5011555556 10023111112