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10021113 = 321958603
BaseRepresentation
bin100110001110…
…100011111001
3200212010101100
4212032203321
510031133423
6554442013
7151115034
oct46164371
920763340
1010021113
115725013
123433309
1320cb36b
14148c01b
15d2e343
hex98e8f9

10021113 has 12 divisors (see below), whose sum is σ = 15237040. Its totient is φ = 6329016.

The previous prime is 10021111. The next prime is 10021127. The reversal of 10021113 is 31112001.

It is not a de Polignac number, because 10021113 - 21 = 10021111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021095 and 10021104.

It is not an unprimeable number, because it can be changed into a prime (10021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29131 + ... + 29472.

Almost surely, 210021113 is an apocalyptic number.

It is an amenable number.

10021113 is a deficient number, since it is larger than the sum of its proper divisors (5215927).

10021113 is a wasteful number, since it uses less digits than its factorization.

10021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58628 (or 58625 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 10021113 is about 3165.6141584217. The cubic root of 10021113 is about 215.5949843537.

Adding to 10021113 its reverse (31112001), we get a palindrome (41133114).

The spelling of 10021113 in words is "ten million, twenty-one thousand, one hundred thirteen".

Divisors: 1 3 9 19 57 171 58603 175809 527427 1113457 3340371 10021113