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3120113100 = 2235213800029
BaseRepresentation
bin1011100111111001…
…0010010111001100
322001110001011112110
42321332102113030
522342222104400
61233334504020
7140214344436
oct27176222714
98043034473
103120113100
11136124a175
12730b05010
133a954aa90
14218551656
15133dbce50
hexb9f925cc

3120113100 has 72 divisors (see below), whose sum is σ = 9721964560. Its totient is φ = 768026880.

The previous prime is 3120113099. The next prime is 3120113131. The reversal of 3120113100 is 13110213.

It is a super-2 number, since 2×31201131002 = 19470211513583220000, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396115 + ... + 403914.

Almost surely, 23120113100 is an apocalyptic number.

3120113100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3120113100 is an abundant number, since it is smaller than the sum of its proper divisors (6601851460).

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

3120113100 is a wasteful number, since it uses less digits than its factorization.

3120113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800059 (or 800052 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3120113100 is about 55857.9725733042. The cubic root of 3120113100 is about 1461.2463711129.

Adding to 3120113100 its reverse (13110213), we get a palindrome (3133223313).

It can be divided in two parts, 3120113 and 100, that added together give a palindrome (3120213).

The spelling of 3120113100 in words is "three billion, one hundred twenty million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 650 780 975 1300 1950 3900 800029 1600058 2400087 3200116 4000145 4800174 8000290 9600348 10400377 12000435 16000580 20000725 20800754 24000870 31201131 40001450 41601508 48001740 52001885 60002175 62402262 80002900 104003770 120004350 124804524 156005655 208007540 240008700 260009425 312011310 520018850 624022620 780028275 1040037700 1560056550 3120113100