Search a number
-
+
231300002100 = 22352771000007
BaseRepresentation
bin1101011101101010001…
…1011111000100110100
3211010000200202112111110
43113122203133010310
512242200300031400
6254131401435020
722465554402306
oct3273243370464
9733020675443
10231300002100
118a103904032
12389b1a9ba70
1318a71b2018b
14b2a304b976
15603b28de50
hex35da8df134

231300002100 has 36 divisors (see below), whose sum is σ = 669228006944. Its totient is φ = 61680000480.

The previous prime is 231300002081. The next prime is 231300002123. The reversal of 231300002100 is 1200003132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385499704 + ... + 385500303.

Almost surely, 2231300002100 is an apocalyptic number.

231300002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231300002100 is an abundant number, since it is smaller than the sum of its proper divisors (437928004844).

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

231300002100 is a wasteful number, since it uses less digits than its factorization.

231300002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771000024 (or 771000017 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 231300002100 its reverse (1200003132), we get a palindrome (232500005232).

The spelling of 231300002100 in words is "two hundred thirty-one billion, three hundred million, two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 771000007 1542000014 2313000021 3084000028 3855000035 4626000042 7710000070 9252000084 11565000105 15420000140 19275000175 23130000210 38550000350 46260000420 57825000525 77100000700 115650001050 231300002100