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1201414421205 = 3453797827059
BaseRepresentation
bin10001011110111001111…
…000010011101011010101
311020212001122012011010000
4101132321320103223111
5124140444042434310
62315531104321513
7152541112041015
oct21367170235325
94225048164100
101201414421205
11423576135739
12174a13313299
13893a664552b
1442212311c45
15213b8e7d4c0
hex117b9e13ad5

1201414421205 has 40 divisors (see below), whose sum is σ = 2159329312800. Its totient is φ = 639063631584.

The previous prime is 1201414421153. The next prime is 1201414421213. The reversal of 1201414421205 is 5021244141021.

1201414421205 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 414 + 42 + 1 + 205 = 666.

It is not a de Polignac number, because 1201414421205 - 225 = 1201380866773 is a prime.

It is a super-2 number, since 2×12014144212052 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3760035 + ... + 4067024.

It is an arithmetic number, because the mean of its divisors is an integer number (53983232820).

Almost surely, 21201414421205 is an apocalyptic number.

1201414421205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201414421205 is a deficient number, since it is larger than the sum of its proper divisors (957914891595).

1201414421205 is an equidigital number, since it uses as much as digits as its factorization.

1201414421205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827455 (or 7827446 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 1201414421205 its reverse (5021244141021), we get a palindrome (6222658562226).

The spelling of 1201414421205 in words is "one trillion, two hundred one billion, four hundred fourteen million, four hundred twenty-one thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 81 135 379 405 1137 1895 3411 5685 10233 17055 30699 51165 153495 7827059 23481177 39135295 70443531 117405885 211330593 352217655 633991779 1056652965 2966455361 3169958895 8899366083 14832276805 26698098249 44496830415 80094294747 133490491245 240282884241 400471473735 1201414421205