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120013013100 = 22352472184737
BaseRepresentation
bin110111111000101010…
…1010100000001101100
3102110202220122202010010
41233301111110001230
53431241312404400
6131044435213220
711446014531321
oct1576125240154
9373686582103
10120013013100
1146996243052
121b314147210
13b417ac2526
145b46d72b48
1531c61c6450
hex1bf155406c

120013013100 has 72 divisors (see below), whose sum is σ = 347315301648. Its totient is φ = 31996313600.

The previous prime is 120013013077. The next prime is 120013013123. The reversal of 120013013100 is 1310310021.

It is an interprime number because it is at equal distance from previous prime (120013013077) and next prime (120013013123).

It is a super-2 number, since 2×1200130131002 (a number of 23 digits) 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, 1373932 + ... + 1458668.

It is an arithmetic number, because the mean of its divisors is an integer number (4823823634).

Almost surely, 2120013013100 is an apocalyptic number.

120013013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120013013100 is an abundant number, since it is smaller than the sum of its proper divisors (227302288548).

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

120013013100 is a wasteful number, since it uses less digits than its factorization.

120013013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89475 (or 89468 counting only the distinct ones).

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

Adding to 120013013100 its reverse (1310310021), we get a palindrome (121323323121).

The spelling of 120013013100 in words is "one hundred twenty billion, thirteen million, thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 4721 9442 14163 18884 23605 28326 47210 56652 70815 84737 94420 118025 141630 169474 236050 254211 283260 338948 354075 423685 472100 508422 708150 847370 1016844 1271055 1416300 1694740 2118425 2542110 4236850 5084220 6355275 8473700 12710550 25421100 400043377 800086754 1200130131 1600173508 2000216885 2400260262 4000433770 4800520524 6000650655 8000867540 10001084425 12001301310 20002168850 24002602620 30003253275 40004337700 60006506550 120013013100