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1201014321 = 313211145949
BaseRepresentation
bin100011110010110…
…0000011000110001
310002200220211220220
41013211200120301
54424424424241
6315101523253
741522311323
oct10745403061
93080824826
101201014321
11566a39921
12296273529
13161a8b080
14b5715613
157068b166
hex47960631

1201014321 has 16 divisors (see below), whose sum is σ = 1732718400. Its totient is φ = 735577920.

The previous prime is 1201014319. The next prime is 1201014337. The reversal of 1201014321 is 1234101021.

It is not a de Polignac number, because 1201014321 - 21 = 1201014319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201014321.

It is not an unprimeable number, because it can be changed into a prime (1201014721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64746 + ... + 81203.

It is an arithmetic number, because the mean of its divisors is an integer number (108294900).

Almost surely, 21201014321 is an apocalyptic number.

It is an amenable number.

1201014321 is a deficient number, since it is larger than the sum of its proper divisors (531704079).

1201014321 is a wasteful number, since it uses less digits than its factorization.

1201014321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146176.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201014321 is about 34655.6535214675. The cubic root of 1201014321 is about 1062.9578951123.

Adding to 1201014321 its reverse (1234101021), we get a palindrome (2435115342).

The spelling of 1201014321 in words is "one billion, two hundred one million, fourteen thousand, three hundred twenty-one".

Divisors: 1 3 13 39 211 633 2743 8229 145949 437847 1897337 5692011 30795239 92385717 400338107 1201014321