Search a number
-
+
20014023501 = 324351715823
BaseRepresentation
bin10010101000111011…
…011100001101001101
31220122210220201212200
4102220323130031031
5311442042223001
613105545552113
71305652251513
oct225073341515
956583821780
1020014023501
11854043809a
123a667a5639
131b6c577974
14d7c0d64b3
157c20db086
hex4a8edc34d

20014023501 has 12 divisors (see below), whose sum is σ = 29581451328. Its totient is φ = 13032387144.

The previous prime is 20014023493. The next prime is 20014023509. The reversal of 20014023501 is 10532041002.

20014023501 is a `hidden beast` number, since 2 + 0 + 0 + 140 + 23 + 501 = 666.

It is an interprime number because it is at equal distance from previous prime (20014023493) and next prime (20014023509).

It is not a de Polignac number, because 20014023501 - 23 = 20014023493 is a prime.

It is a super-2 number, since 2×200140235012 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014023509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25857525 + ... + 25858298.

It is an arithmetic number, because the mean of its divisors is an integer number (2465120944).

Almost surely, 220014023501 is an apocalyptic number.

It is an amenable number.

20014023501 is a deficient number, since it is larger than the sum of its proper divisors (9567427827).

20014023501 is a wasteful number, since it uses less digits than its factorization.

20014023501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51715872 (or 51715869 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20014023501 its reverse (10532041002), we get a palindrome (30546064503).

The spelling of 20014023501 in words is "twenty billion, fourteen million, twenty-three thousand, five hundred one".

Divisors: 1 3 9 43 129 387 51715823 155147469 465442407 2223780389 6671341167 20014023501