Search a number
-
+
2300100020 = 225311369791
BaseRepresentation
bin1000100100011000…
…1011110110110100
312221022001012001122
42021012023312310
514202311200040
61020123043112
7110666345651
oct21106136664
95838035048
102300100020
11a8038a209
12542370498
132a86ab83a
1417b696c28
15d6de11b5
hex8918bdb4

2300100020 has 24 divisors (see below), whose sum is σ = 4845754368. Its totient is φ = 917079200.

The previous prime is 2300100013. The next prime is 2300100199. The reversal of 2300100020 is 200010032.

It is a junction number, because it is equal to n+sod(n) for n = 2300099980 and 2300100007.

It is a congruent number.

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, 178676 + ... + 191115.

It is an arithmetic number, because the mean of its divisors is an integer number (201906432).

Almost surely, 22300100020 is an apocalyptic number.

2300100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300100020 is an abundant number, since it is smaller than the sum of its proper divisors (2545654348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2300100020 is a wasteful number, since it uses less digits than its factorization.

2300100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370111 (or 370109 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2300100020 is about 47959.3580023753. The cubic root of 2300100020 is about 1320.0252558682.

Adding to 2300100020 its reverse (200010032), we get a palindrome (2500110052).

The spelling of 2300100020 in words is "two billion, three hundred million, one hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 369791 739582 1479164 1848955 3697910 7395820 115005001 230010002 460020004 575025005 1150050010 2300100020