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101021002213 = 295993412987
BaseRepresentation
bin101111000010101010…
…0100010100111100101
3100122202022211121222111
41132011110202213211
53123342334032323
6114224114401021
710204252231225
oct1360524424745
9318668747874
10101021002213
113992a7a418a
12176b3890171
1396ac1c1271
144c648b8085
152963bb8c0d
hex17855229e5

101021002213 has 4 divisors (see below), whose sum is σ = 101024444800. Its totient is φ = 101017559628.

The previous prime is 101021002211. The next prime is 101021002223. The reversal of 101021002213 is 312200120101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312200120101 = 558179559319.

It is a cyclic number.

It is not a de Polignac number, because 101021002213 - 21 = 101021002211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021002193 and 101021002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021002211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676895 + ... + 1736092.

It is an arithmetic number, because the mean of its divisors is an integer number (25256111200).

Almost surely, 2101021002213 is an apocalyptic number.

It is an amenable number.

101021002213 is a deficient number, since it is larger than the sum of its proper divisors (3442587).

101021002213 is an equidigital number, since it uses as much as digits as its factorization.

101021002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442586.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101021002213 its reverse (312200120101), we get a palindrome (413221122314).

The spelling of 101021002213 in words is "one hundred one billion, twenty-one million, two thousand, two hundred thirteen".

Divisors: 1 29599 3412987 101021002213