Search a number
-
+
22688130401 = 148871524023
BaseRepresentation
bin10101001000010100…
…010110010101100001
32011120011201102220222
4111020110112111201
5332431130133101
614231153212425
71432142632526
oct251024262541
964504642828
1022688130401
1196929491a2
124492261115
1321a7596841
14115330914d
158cbc5901b
hex548516561

22688130401 has 4 divisors (see below), whose sum is σ = 22689669312. Its totient is φ = 22686591492.

The previous prime is 22688130349. The next prime is 22688130403. The reversal of 22688130401 is 10403188622.

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 22688130401 - 214 = 22688114017 is a prime.

It is a super-2 number, since 2×226881304012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22688130403) 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, 747125 + ... + 776898.

It is an arithmetic number, because the mean of its divisors is an integer number (5672417328).

Almost surely, 222688130401 is an apocalyptic number.

It is an amenable number.

22688130401 is a deficient number, since it is larger than the sum of its proper divisors (1538911).

22688130401 is a wasteful number, since it uses less digits than its factorization.

22688130401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538910.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 22688130401 in words is "twenty-two billion, six hundred eighty-eight million, one hundred thirty thousand, four hundred one".

Divisors: 1 14887 1524023 22688130401