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1200313023020 = 225238929318833
BaseRepresentation
bin10001011101111000001…
…110110011101000101100
311020202012212201022211122
4101131320032303220230
5124131220113214040
62315225521440112
7152501606232416
oct21357016635054
94222185638748
101200313023020
11423060455a01
121747664a0038
138925c3c5327
1442149d2b9b6
152135241d1b5
hex117783b3a2c

1200313023020 has 48 divisors (see below), whose sum is σ = 2659804620480. Its totient is φ = 454090070016.

The previous prime is 1200313023017. The next prime is 1200313023059. The reversal of 1200313023020 is 203203130021.

It is a super-2 number, since 2×12003130230202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200313023020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14618477 + ... + 14700356.

It is an arithmetic number, because the mean of its divisors is an integer number (55412596260).

Almost surely, 21200313023020 is an apocalyptic number.

1200313023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200313023020 is an abundant number, since it is smaller than the sum of its proper divisors (1459491597460).

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

1200313023020 is a wasteful number, since it uses less digits than its factorization.

1200313023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29318954 (or 29318952 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1200313023020 its reverse (203203130021), we get a palindrome (1403516153041).

The spelling of 1200313023020 in words is "one trillion, two hundred billion, three hundred thirteen million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 89 92 115 178 230 356 445 460 890 1780 2047 4094 8188 10235 20470 40940 29318833 58637666 117275332 146594165 293188330 586376660 674333159 1348666318 2609376137 2697332636 3371665795 5218752274 6743331590 10437504548 13046880685 13486663180 26093761370 52187522740 60015651151 120031302302 240062604604 300078255755 600156511510 1200313023020