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2300120100 = 2232525095021
BaseRepresentation
bin1000100100011001…
…0000110000100100
312221022002012121100
42021012100300210
514202312320400
61020123320100
7110666461335
oct21106206044
95838065540
102300120100
11a803a3303
12542380030
132a86b7a15
1417b6a028c
15d6de7100
hex89190c24

2300120100 has 108 divisors (see below), whose sum is σ = 7225201620. Its totient is φ = 612038400.

The previous prime is 2300120099. The next prime is 2300120101. The reversal of 2300120100 is 10210032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2300120099) and next prime (2300120101).

It can be written as a sum of positive squares in 6 ways, for example, as 156800484 + 2143319616 = 12522^2 + 46296^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2300120101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 455590 + ... + 460610.

It is an arithmetic number, because the mean of its divisors is an integer number (66900015).

Almost surely, 22300120100 is an apocalyptic number.

2300120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2300120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3612600810).

2300120100 is an abundant number, since it is smaller than the sum of its proper divisors (4925081520).

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

2300120100 is a wasteful number, since it uses less digits than its factorization.

2300120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550 (or 5540 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2300120100 is about 47959.5673458383. The cubic root of 2300120100 is about 1320.0290971547.

Adding to 2300120100 its reverse (10210032), we get a palindrome (2310330132).

The spelling of 2300120100 in words is "two billion, three hundred million, one hundred twenty thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 509 900 1018 1527 2036 2545 3054 4581 5021 5090 6108 7635 9162 10042 10180 12725 15063 15270 18324 20084 22905 25105 25450 30126 30540 38175 45189 45810 50210 50900 60252 75315 76350 90378 91620 100420 114525 125525 150630 152700 180756 225945 229050 251050 301260 376575 451890 458100 502100 753150 903780 1129725 1506300 2259450 2555689 4518900 5111378 7667067 10222756 12778445 15334134 23001201 25556890 30668268 38335335 46002402 51113780 63892225 76670670 92004804 115006005 127784450 153341340 191676675 230012010 255568900 383353350 460024020 575030025 766706700 1150060050 2300120100