Search a number
-
+
10201000201 = 71457285743
BaseRepresentation
bin10011000000000011…
…01110100100001001
3222022220222111120021
421200001232210021
5131342424001301
64404122500441
7510535033240
oct114001564411
928286874507
1010201000201
114365220487
121b88364721
13c67534ac2
146cab25957
153ea8638a1
hex26006e909

10201000201 has 4 divisors (see below), whose sum is σ = 11658285952. Its totient is φ = 8743714452.

The previous prime is 10201000141. The next prime is 10201000207. The reversal of 10201000201 is 10200010201.

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: 10200010201 = 11390265577.

It is a cyclic number.

It is not a de Polignac number, because 10201000201 - 29 = 10200999689 is a prime.

It is a super-3 number, since 3×102010002013 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 1457285743 = 10201000201 / (1 + 0 + 2 + 0 + 1 + 0 + 0 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201000207) 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, 728642865 + ... + 728642878.

It is an arithmetic number, because the mean of its divisors is an integer number (2914571488).

Almost surely, 210201000201 is an apocalyptic number.

It is an amenable number.

10201000201 is a deficient number, since it is larger than the sum of its proper divisors (1457285751).

10201000201 is an equidigital number, since it uses as much as digits as its factorization.

10201000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457285750.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10201000201 its reverse (10200010201), we get a palindrome (20401010402).

The spelling of 10201000201 in words is "ten billion, two hundred one million, two hundred one", and thus it is an aban number.

Divisors: 1 7 1457285743 10201000201