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10202101213 = 48859208807
BaseRepresentation
bin10011000000001011…
…11011010111011101
3222100000001102212111
421200011323113131
5131343214214323
64404202234021
7510550300213
oct114005732735
928300042774
1010202101213
114365902707
121b887b5911
13c6782bca5
146cad30cb3
153ea9cec0d
hex26017b5dd

10202101213 has 4 divisors (see below), whose sum is σ = 10202358880. Its totient is φ = 10201843548.

The previous prime is 10202101211. The next prime is 10202101219. The reversal of 10202101213 is 31210120201.

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 10202101213 - 21 = 10202101211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202101193 and 10202101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202101211) 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, 55545 + ... + 153262.

It is an arithmetic number, because the mean of its divisors is an integer number (2550589720).

Almost surely, 210202101213 is an apocalyptic number.

It is an amenable number.

10202101213 is a deficient number, since it is larger than the sum of its proper divisors (257667).

10202101213 is an equidigital number, since it uses as much as digits as its factorization.

10202101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257666.

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

Adding to 10202101213 its reverse (31210120201), we get a palindrome (41412221414).

The spelling of 10202101213 in words is "ten billion, two hundred two million, one hundred one thousand, two hundred thirteen".

Divisors: 1 48859 208807 10202101213