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101033000021 = 839120420739
BaseRepresentation
bin101111000011000001…
…0010011110001010101
3100122210011102011212202
41132012002103301111
53123403422000041
6114225223454245
710204456221242
oct1360602236125
9318704364782
10101033000021
1139936549328
12176b78b7385
1396b1832265
144c6631c5c9
152964c88a9b
hex1786093c55

101033000021 has 4 divisors (see below), whose sum is σ = 101153421600. Its totient is φ = 100912578444.

The previous prime is 101032999997. The next prime is 101033000069. The reversal of 101033000021 is 120000330101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101033000021 - 226 = 100965891157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101032999966 and 101033000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101033003021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60209531 + ... + 60211208.

It is an arithmetic number, because the mean of its divisors is an integer number (25288355400).

Almost surely, 2101033000021 is an apocalyptic number.

It is an amenable number.

101033000021 is a deficient number, since it is larger than the sum of its proper divisors (120421579).

101033000021 is an equidigital number, since it uses as much as digits as its factorization.

101033000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120421578.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 101033000021 its reverse (120000330101), we get a palindrome (221033330122).

The spelling of 101033000021 in words is "one hundred one billion, thirty-three million, twenty-one", and thus it is an aban number.

Divisors: 1 839 120420739 101033000021