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10189710121 = 174718170459
BaseRepresentation
bin10010111110101101…
…01010001100101001
3222022010201220111011
421133112222030221
5131332031210441
64403040503521
7510340051453
oct113726521451
928263656434
1010189710121
11435990a038
121b8461aba1
13c650b0c96
146c94272d3
153e9883581
hex25f5aa329

10189710121 has 16 divisors (see below), whose sum is σ = 11079694080. Its totient is φ = 9334275840.

The previous prime is 10189710103. The next prime is 10189710133. The reversal of 10189710121 is 12101798101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10189710121 - 27 = 10189709993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10189710221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109390 + ... + 179848.

It is an arithmetic number, because the mean of its divisors is an integer number (692480880).

Almost surely, 210189710121 is an apocalyptic number.

It is an amenable number.

10189710121 is a deficient number, since it is larger than the sum of its proper divisors (889983959).

10189710121 is a wasteful number, since it uses less digits than its factorization.

10189710121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70704.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 10189710121 in words is "ten billion, one hundred eighty-nine million, seven hundred ten thousand, one hundred twenty-one".

Divisors: 1 17 47 181 799 3077 8507 70459 144619 1197803 3311573 12753079 56296741 216802343 599394713 10189710121