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312302020200 = 233522417215351
BaseRepresentation
bin1001000101101101010…
…01101010011001101000
31002212002212100101220220
410202312221222121220
520104043304121300
6355245232050040
731364064241422
oct4426651523150
91085085311826
10312302020200
111104a0392145
1250639393920
13235b071a8c1
1411188cdb812
1581cc6dbda0
hex48b6a6a668

312302020200 has 96 divisors (see below), whose sum is σ = 968541312960. Its totient is φ = 83245696000.

The previous prime is 312302020193. The next prime is 312302020223. The reversal of 312302020200 is 2020203213.

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 312302020200.

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, 1342525 + ... + 1557875.

It is an arithmetic number, because the mean of its divisors is an integer number (10088972010).

Almost surely, 2312302020200 is an apocalyptic number.

312302020200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312302020200 is an abundant number, since it is smaller than the sum of its proper divisors (656239292760).

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

312302020200 is a wasteful number, since it uses less digits than its factorization.

312302020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217787 (or 217778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 312302020200 its reverse (2020203213), we get a palindrome (314322223413).

The spelling of 312302020200 in words is "three hundred twelve billion, three hundred two million, twenty 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 2417 4834 7251 9668 12085 14502 19336 24170 29004 36255 48340 58008 60425 72510 96680 120850 145020 181275 215351 241700 290040 362550 430702 483400 646053 725100 861404 1076755 1292106 1450200 1722808 2153510 2584212 3230265 4307020 5168424 5383775 6460530 8614040 10767550 12921060 16151325 21535100 25842120 32302650 43070200 64605300 129210600 520503367 1041006734 1561510101 2082013468 2602516835 3123020202 4164026936 5205033670 6246040404 7807550505 10410067340 12492080808 13012584175 15615101010 20820134680 26025168350 31230202020 39037752525 52050336700 62460404040 78075505050 104100673400 156151010100 312302020200