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10202102111 = 231006944053
BaseRepresentation
bin10011000000001011…
…11011100101011111
3222100000001111002202
421200011323211133
5131343214231421
64404202242115
7510550302635
oct114005734537
928300044082
1010202102111
114365903353
121b887b633b
13c6782c516
146cad31355
153ea9d010b
hex26017b95f

10202102111 has 8 divisors (see below), whose sum is σ = 10646970720. Its totient is φ = 9757341792.

The previous prime is 10202102089. The next prime is 10202102123. The reversal of 10202102111 is 11120120201.

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

It is a cyclic number.

It is not a de Polignac number, because 10202102111 - 210 = 10202101087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202102092 and 10202102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202102161) 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, 209561 + ... + 253613.

It is an arithmetic number, because the mean of its divisors is an integer number (1330871340).

Almost surely, 210202102111 is an apocalyptic number.

10202102111 is a deficient number, since it is larger than the sum of its proper divisors (444868609).

10202102111 is a wasteful number, since it uses less digits than its factorization.

10202102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54145.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10202102111 its reverse (11120120201), we get a palindrome (21322222312).

The spelling of 10202102111 in words is "ten billion, two hundred two million, one hundred two thousand, one hundred eleven".

Divisors: 1 23 10069 44053 231587 1013219 443569657 10202102111