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101112013031021 = 1744279134324747
BaseRepresentation
bin10110111111010111111001…
…100111101000011001101101
3111021000012210001000111120022
4112333113321213220121231
5101223104400313443041
6555014114553131525
730204046641015656
oct2677277147503155
9437005701014508
10101112013031021
112a24340040a183
12b4102286b9ba5
134455a8b9990a5
141ad7bc192a52d
15ba524ec1724b
hex5bf5f99e866d

101112013031021 has 8 divisors (see below), whose sum is σ = 107062197145920. Its totient is φ = 95162097654208.

The previous prime is 101112013031009. The next prime is 101112013031077. The reversal of 101112013031021 is 120130310211101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101112013031021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112013031621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66409631 + ... + 67915116.

It is an arithmetic number, because the mean of its divisors is an integer number (13382774643240).

Almost surely, 2101112013031021 is an apocalyptic number.

It is an amenable number.

101112013031021 is a deficient number, since it is larger than the sum of its proper divisors (5950184114899).

101112013031021 is a wasteful number, since it uses less digits than its factorization.

101112013031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134369043.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 101112013031021 its reverse (120130310211101), we get a palindrome (221242323242122).

The spelling of 101112013031021 in words is "one hundred one trillion, one hundred twelve billion, thirteen million, thirty-one thousand, twenty-one".

Divisors: 1 17 44279 752743 134324747 2283520699 5947765472413 101112013031021