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2031313200 = 243527241823
BaseRepresentation
bin111100100010011…
…0110000100110000
312020120021101212020
41321010312010300
513130004010300
6533322031440
7101223606630
oct17104660460
95216241766
102031313200
11952694744
12488348580
13264abbc97
14153aca6c0
15bd4ea8a0
hex79136130

2031313200 has 120 divisors (see below), whose sum is σ = 7436571648. Its totient is φ = 464298240.

The previous prime is 2031313177. The next prime is 2031313211. The reversal of 2031313200 is 23131302.

It is a tau number, because it is divible by the number of its divisors (120).

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 2031313200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112512 + ... + 129311.

Almost surely, 22031313200 is an apocalyptic number.

2031313200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031313200 is an abundant number, since it is smaller than the sum of its proper divisors (5405258448).

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

2031313200 is a wasteful number, since it uses less digits than its factorization.

2031313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241851 (or 241840 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2031313200 is about 45070.0920788942. The cubic root of 2031313200 is about 1266.4623893414.

Adding to 2031313200 its reverse (23131302), we get a palindrome (2054444502).

The spelling of 2031313200 in words is "two billion, thirty-one million, three hundred thirteen thousand, two hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 140 150 168 175 200 210 240 280 300 336 350 400 420 525 560 600 700 840 1050 1200 1400 1680 2100 2800 4200 8400 241823 483646 725469 967292 1209115 1450938 1692761 1934584 2418230 2901876 3385522 3627345 3869168 4836460 5078283 5803752 6045575 6771044 7254690 8463805 9672920 10156566 11607504 12091150 13542088 14509380 16927610 18136725 19345840 20313132 24182300 25391415 27084176 29018760 33855220 36273450 40626264 42319025 48364600 50782830 58037520 67710440 72546900 81252528 84638050 96729200 101565660 126957075 135420880 145093800 169276100 203131320 253914150 290187600 338552200 406262640 507828300 677104400 1015656600 2031313200