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10212311124 = 2232283675309
BaseRepresentation
bin10011000001011001…
…11000000001010100
3222100201021011020100
421200230320001110
5131403322423444
64405205134100
7511033132551
oct114054700124
928321234210
1010212311124
114370646554
121b900ba330
13c69995262
146cc42ba28
153eb849e69
hex260b38054

10212311124 has 18 divisors (see below), whose sum is σ = 25814453210. Its totient is φ = 3404103696.

The previous prime is 10212311113. The next prime is 10212311143. The reversal of 10212311124 is 42111321201.

It can be written as a sum of positive squares in only one way, i.e., 10196960400 + 15350724 = 100980^2 + 3918^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10212311097 and 10212311106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141837619 + ... + 141837690.

Almost surely, 210212311124 is an apocalyptic number.

It is an amenable number.

10212311124 is an abundant number, since it is smaller than the sum of its proper divisors (15602142086).

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

10212311124 is a wasteful number, since it uses less digits than its factorization.

10212311124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283675319 (or 283675314 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10212311124 its reverse (42111321201), we get a palindrome (52323632325).

The spelling of 10212311124 in words is "ten billion, two hundred twelve million, three hundred eleven thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 283675309 567350618 851025927 1134701236 1702051854 2553077781 3404103708 5106155562 10212311124