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1301323031200 = 25521795685517
BaseRepresentation
bin10010111011111100111…
…001011010001010100000
311121101221102212101211201
4102323330321122022200
5132310102143444300
62433453004450544
7163005666154243
oct22737471321240
94541842771751
101301323031200
11461984a20105
12190256549a54
139593923743a
1446dad18325a
1523cb516466a
hex12efce5a2a0

1301323031200 has 72 divisors (see below), whose sum is σ = 3363728699772. Its totient is φ = 489909841920.

The previous prime is 1301323031153. The next prime is 1301323031213. The reversal of 1301323031200 is 21303231031.

It can be written as a sum of positive squares in 6 ways, for example, as 474991126416 + 826331904784 = 689196^2 + 909028^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47829159 + ... + 47856358.

Almost surely, 21301323031200 is an apocalyptic number.

1301323031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301323031200 is an abundant number, since it is smaller than the sum of its proper divisors (2062405668572).

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

1301323031200 is a wasteful number, since it uses less digits than its factorization.

1301323031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95685554 (or 95685541 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1301323031200 its reverse (21303231031), we get a palindrome (1322626262231).

The spelling of 1301323031200 in words is "one trillion, three hundred one billion, three hundred twenty-three million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1360 1700 2720 3400 6800 13600 95685517 191371034 382742068 478427585 765484136 956855170 1530968272 1626653789 1913710340 2392137925 3061936544 3253307578 3827420680 4784275850 6506615156 7654841360 8133268945 9568551700 13013230312 15309682720 16266537890 19137103400 26026460624 32533075780 38274206800 40666344725 52052921248 65066151560 76548413600 81332689450 130132303120 162665378900 260264606240 325330757800 650661515600 1301323031200