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10132121892 = 223844343491
BaseRepresentation
bin10010110111110101…
…11110100100100100
3222011010101010021210
421123322332210210
5131222310400032
64353222311420
7506040420654
oct113372764444
928133333253
1010132121892
11432a356162
121b69288570
13c561999c9
146c1916364
153e47aa2cc
hex25bebe924

10132121892 has 12 divisors (see below), whose sum is σ = 23641617776. Its totient is φ = 3377373960.

The previous prime is 10132121869. The next prime is 10132121893. The reversal of 10132121892 is 29812123101.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (10132121893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422171734 + ... + 422171757.

Almost surely, 210132121892 is an apocalyptic number.

10132121892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10132121892 is an abundant number, since it is smaller than the sum of its proper divisors (13509495884).

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

10132121892 is a wasteful number, since it uses less digits than its factorization.

10132121892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844343498 (or 844343496 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

Adding to 10132121892 its reverse (29812123101), we get a palindrome (39944244993).

The spelling of 10132121892 in words is "ten billion, one hundred thirty-two million, one hundred twenty-one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 844343491 1688686982 2533030473 3377373964 5066060946 10132121892