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20113195 = 57695231
BaseRepresentation
bin100110010111…
…0011100101011
31101211212010011
41030232130223
520122110240
61555032351
7332650024
oct114563453
941755104
1020113195
1110398383
12689b6b7
134222acb
142957c4b
151b746ea
hex132e72b

20113195 has 8 divisors (see below), whose sum is σ = 24171840. Its totient is φ = 16066560.

The previous prime is 20113189. The next prime is 20113213. The reversal of 20113195 is 59131102.

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

It is not a de Polignac number, because 20113195 - 23 = 20113187 is a prime.

It is a super-2 number, since 2×201131952 = 809081226216050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (3021480).

Almost surely, 220113195 is an apocalyptic number.

20113195 is a deficient number, since it is larger than the sum of its proper divisors (4058645).

20113195 is an equidigital number, since it uses as much as digits as its factorization.

20113195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 20113195 is about 4484.7736843680. The cubic root of 20113195 is about 271.9528960747.

Adding to 20113195 its reverse (59131102), we get a palindrome (79244297).

The spelling of 20113195 in words is "twenty million, one hundred thirteen thousand, one hundred ninety-five".

Divisors: 1 5 769 3845 5231 26155 4022639 20113195