Search a number
-
+
120131013300 = 22352647618913
BaseRepresentation
bin110111111100001011…
…1011100101010110100
3102111002010200202221220
41233320113130222310
53432012014411200
6131104252310340
711451646523244
oct1577027345264
9374063622856
10120131013300
1146a46909381
121b3477723b0
13b43639912c
145b588cbb24
1531d17344a0
hex1bf85dcab4

120131013300 has 72 divisors (see below), whose sum is σ = 348116844096. Its totient is φ = 31985372160.

The previous prime is 120131013269. The next prime is 120131013311. The reversal of 120131013300 is 3310131021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120131013300.

It is a congruent number.

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, 115357 + ... + 503556.

It is an arithmetic number, because the mean of its divisors is an integer number (4834956168).

Almost surely, 2120131013300 is an apocalyptic number.

120131013300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120131013300 is an abundant number, since it is smaller than the sum of its proper divisors (227985830796).

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

120131013300 is a wasteful number, since it uses less digits than its factorization.

120131013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619577 (or 619570 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 120131013300 its reverse (3310131021), we get a palindrome (123441144321).

The spelling of 120131013300 in words is "one hundred twenty billion, one hundred thirty-one million, thirteen thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 647 1294 1941 2588 3235 3882 6470 7764 9705 12940 16175 19410 32350 38820 48525 64700 97050 194100 618913 1237826 1856739 2475652 3094565 3713478 6189130 7426956 9283695 12378260 15472825 18567390 30945650 37134780 46418475 61891300 92836950 185673900 400436711 800873422 1201310133 1601746844 2002183555 2402620266 4004367110 4805240532 6006550665 8008734220 10010917775 12013101330 20021835550 24026202660 30032753325 40043671100 60065506650 120131013300