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10121113 = 1932292
BaseRepresentation
bin100110100110…
…111110011001
3201001012120001
4212212332121
510042333423
61000533001
7152012422
oct46467631
921035501
1010121113
115793162
123481161
132134a32
1414b6649
15d4dcad
hex9a6f99

10121113 has 6 divisors (see below), whose sum is σ = 10218174. Its totient is φ = 10024704.

The previous prime is 10121107. The next prime is 10121117. The reversal of 10121113 is 31112101.

It can be written as a sum of positive squares in 3 ways, for example, as 4981824 + 5139289 = 2232^2 + 2267^2 .

It is a de Polignac number, because none of the positive numbers 2k-10121113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121113.

It is not an unprimeable number, because it can be changed into a prime (10121117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44083 + ... + 44311.

It is an arithmetic number, because the mean of its divisors is an integer number (1703029).

Almost surely, 210121113 is an apocalyptic number.

It is an amenable number.

10121113 is a deficient number, since it is larger than the sum of its proper divisors (97061).

10121113 is an frugal number, since it uses more digits than its factorization.

10121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 10121113 is about 3181.3696735840. The cubic root of 10121113 is about 216.3097479332.

Adding to 10121113 its reverse (31112101), we get a palindrome (41233214).

The spelling of 10121113 in words is "ten million, one hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 193 229 44197 52441 10121113