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1201402313420 = 2252997163131009
BaseRepresentation
bin10001011110111001001…
…010000111101011001100
311020212000210102000100112
4101132321022013223030
5124140432443012140
62315525553015152
7152540604112241
oct21367112075314
94225023360315
101201402313420
1142356a315a01
12174a0b2544b8
13893a3c9646a
144221087d5c8
15213b7d8ac65
hex117b9287acc

1201402313420 has 96 divisors (see below), whose sum is σ = 2653046827200. Its totient is φ = 456385757184.

The previous prime is 1201402313417. The next prime is 1201402313453. The reversal of 1201402313420 is 243132041021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9104876 + ... + 9235884.

It is an arithmetic number, because the mean of its divisors is an integer number (27635904450).

Almost surely, 21201402313420 is an apocalyptic number.

1201402313420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201402313420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326523413600).

1201402313420 is an abundant number, since it is smaller than the sum of its proper divisors (1451644513780).

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

1201402313420 is a wasteful number, since it uses less digits than its factorization.

1201402313420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131307 (or 131305 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1201402313420 its reverse (243132041021), we get a palindrome (1444534354441).

The spelling of 1201402313420 in words is "one trillion, two hundred one billion, four hundred two million, three hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 97 116 145 163 194 290 326 388 485 580 652 815 970 1630 1940 2813 3260 4727 5626 9454 11252 14065 15811 18908 23635 28130 31622 47270 56260 63244 79055 94540 131009 158110 262018 316220 458519 524036 655045 917038 1310090 1834076 2292595 2620180 3799261 4585190 7598522 9170380 12707873 15197044 18996305 21354467 25415746 37992610 42708934 50831492 63539365 75985220 85417868 106772335 127078730 213544670 254157460 368528317 427089340 619279543 737056634 1238559086 1474113268 1842641585 2071383299 2477118172 3096397715 3685283170 4142766598 6192795430 7370566340 8285533196 10356916495 12385590860 20713832990 41427665980 60070115671 120140231342 240280462684 300350578355 600701156710 1201402313420