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10121122184 = 231265140273
BaseRepresentation
bin10010110110100010…
…00001000110001000
3222010100200021112012
421123101001012020
5131212001402214
64352150435052
7505545055565
oct113321010610
928110607465
1010121122184
114324122998
121b65662a88
13c53b180c4
146c029186c
153e383603e
hex25b441188

10121122184 has 8 divisors (see below), whose sum is σ = 18977104110. Its totient is φ = 5060561088.

The previous prime is 10121122183. The next prime is 10121122213. The reversal of 10121122184 is 48122112101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8392392100 + 1728730084 = 91610^2 + 41578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×101211221842 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121122181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632570129 + ... + 632570144.

Almost surely, 210121122184 is an apocalyptic number.

It is an amenable number.

10121122184 is a deficient number, since it is larger than the sum of its proper divisors (8855981926).

10121122184 is a wasteful number, since it uses less digits than its factorization.

10121122184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265140279 (or 1265140275 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 10121122184 its reverse (48122112101), we get a palindrome (58243234285).

The spelling of 10121122184 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred eighty-four".

Divisors: 1 2 4 8 1265140273 2530280546 5060561092 10121122184