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10101011112 = 2332294837649
BaseRepresentation
bin10010110100001000…
…10011001010101000
3222001221211112022200
421122010103022220
5131141324323422
64350151420200
7505212114663
oct113204231250
928057745280
1010101011112
114313837175
121b5a984660
13c4c8c626a
146bb7386da
153e1bb22ac
hex25a1132a8

10101011112 has 48 divisors (see below), whose sum is σ = 28300252500. Its totient is φ = 3250899456.

The previous prime is 10101011093. The next prime is 10101011119. The reversal of 10101011112 is 21111010101.

It can be written as a sum of positive squares in 2 ways, for example, as 10074939876 + 26071236 = 100374^2 + 5106^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101011094 and 10101011103.

It is not an unprimeable number, because it can be changed into a prime (10101011119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2416737 + ... + 2420912.

Almost surely, 210101011112 is an apocalyptic number.

10101011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101011112 is an abundant number, since it is smaller than the sum of its proper divisors (18199241388).

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

10101011112 is a wasteful number, since it uses less digits than its factorization.

10101011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837690 (or 4837683 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10101011112 its reverse (21111010101), we get a palindrome (31212021213).

The spelling of 10101011112 in words is "ten billion, one hundred one million, eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 4837649 9675298 14512947 19350596 29025894 38701192 43538841 58051788 87077682 116103576 140291821 174155364 280583642 348310728 420875463 561167284 841750926 1122334568 1262626389 1683501852 2525252778 3367003704 5050505556 10101011112