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313001212200 = 233521157945053
BaseRepresentation
bin1001000111000000101…
…00110111100100101000
31002220220121000001000220
410203200110313210220
520112011302242300
6355442450130040
731420314256155
oct4434024674450
91086817001026
10313001212200
1111081a02a476
12507b3580920
1323692536291
1411213b0522c
15821dc9eda0
hex48e0537928

313001212200 has 96 divisors (see below), whose sum is σ = 970409095200. Its totient is φ = 83457928960.

The previous prime is 313001212127. The next prime is 313001212229. The reversal of 313001212200 is 2212100313.

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 313001212200.

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, 6924874 + ... + 6969926.

It is an arithmetic number, because the mean of its divisors is an integer number (10108428075).

Almost surely, 2313001212200 is an apocalyptic number.

313001212200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313001212200 is an abundant number, since it is smaller than the sum of its proper divisors (657407883000).

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

313001212200 is a wasteful number, since it uses less digits than its factorization.

313001212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56651 (or 56642 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 313001212200 its reverse (2212100313), we get a palindrome (315213312513).

The spelling of 313001212200 in words is "three hundred thirteen billion, one million, two hundred twelve thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 11579 23158 34737 45053 46316 57895 69474 90106 92632 115790 135159 138948 173685 180212 225265 231580 270318 277896 289475 347370 360424 450530 463160 540636 578950 675795 694740 868425 901060 1081272 1126325 1157900 1351590 1389480 1736850 1802120 2252650 2315800 2703180 3378975 3473700 4505300 5406360 6757950 6947400 9010600 13515900 27031800 521668687 1043337374 1565006061 2086674748 2608343435 3130012122 4173349496 5216686870 6260024244 7825030305 10433373740 12520048488 13041717175 15650060610 20866747480 26083434350 31300121220 39125151525 52166868700 62600242440 78250303050 104333737400 156500606100 313001212200