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1012102010201 = 17316693505273
BaseRepresentation
bin11101011101001011111…
…10110001010101011001
310120202102010111020112002
432232211332301111121
5113040241103311301
62052541522330345
7133056555066422
oct16564576612531
93522363436462
101012102010201
11360259221317
1214419aab99b5
13745965c8b19
1436db381a649
151b4d8e3716b
hexeba5fb1559

1012102010201 has 8 divisors (see below), whose sum is σ = 1018562518920. Its totient is φ = 1005648515712.

The previous prime is 1012102010191. The next prime is 1012102010219. The reversal of 1012102010201 is 1020102012101.

It can be written as a sum of positive squares in 4 ways, for example, as 111339672976 + 900762337225 = 333676^2 + 949085^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012102010201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012102010501) 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, 1463900 + ... + 2041373.

It is an arithmetic number, because the mean of its divisors is an integer number (127320314865).

Almost surely, 21012102010201 is an apocalyptic number.

It is an amenable number.

1012102010201 is a deficient number, since it is larger than the sum of its proper divisors (6460508719).

1012102010201 is a wasteful number, since it uses less digits than its factorization.

1012102010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507115.

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

Adding to 1012102010201 its reverse (1020102012101), we get a palindrome (2032204022302).

The spelling of 1012102010201 in words is "one trillion, twelve billion, one hundred two million, ten thousand, two hundred one".

Divisors: 1 173 1669 288737 3505273 606412229 5850300637 1012102010201