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10201201011 = 321133466779
BaseRepresentation
bin10011000000000100…
…11111100101110011
3222022221100201000200
421200002133211303
5131343001413021
64404131050243
7510536530551
oct114002374563
928287321020
1010201201011
114365348341
121b88440983
13c675a5321
146cab78bd1
153ea8a3126
hex26009f973

10201201011 has 6 divisors (see below), whose sum is σ = 14735068140. Its totient is φ = 6800800668.

The previous prime is 10201201009. The next prime is 10201201027. The reversal of 10201201011 is 11010210201.

It is a happy number.

It is not a de Polignac number, because 10201201011 - 21 = 10201201009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1133466779 = 10201201011 / (1 + 0 + 2 + 0 + 1 + 2 + 0 + 1 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 10201200984 and 10201201002.

It is not an unprimeable number, because it can be changed into a prime (10201200011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566733381 + ... + 566733398.

It is an arithmetic number, because the mean of its divisors is an integer number (2455844690).

Almost surely, 210201201011 is an apocalyptic number.

10201201011 is a deficient number, since it is larger than the sum of its proper divisors (4533867129).

10201201011 is a wasteful number, since it uses less digits than its factorization.

10201201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133466785 (or 1133466782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10201201011 its reverse (11010210201), we get a palindrome (21211411212).

The spelling of 10201201011 in words is "ten billion, two hundred one million, two hundred one thousand, eleven".

Divisors: 1 3 9 1133466779 3400400337 10201201011