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1200321143102 = 21495054379693
BaseRepresentation
bin10001011101111000101…
…101110010000100111110
311020202020102222212111102
4101131320231302010332
5124131224203034402
62315230411453102
7152502035242214
oct21357055620476
94222212885442
101200321143102
11423064aa1714
12174769157192
1389260ca9303
144214b042cb4
1521352ec4102
hex11778b7213e

1200321143102 has 16 divisors (see below), whose sum is σ = 1812624091200. Its totient is φ = 596113373472.

The previous prime is 1200321143069. The next prime is 1200321143107. The reversal of 1200321143102 is 2013411230021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200321143107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15021968 + ... + 15101660.

It is an arithmetic number, because the mean of its divisors is an integer number (113289005700).

Almost surely, 21200321143102 is an apocalyptic number.

1200321143102 is a deficient number, since it is larger than the sum of its proper divisors (612302948098).

1200321143102 is a wasteful number, since it uses less digits than its factorization.

1200321143102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130387.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1200321143102 its reverse (2013411230021), we get a palindrome (3213732373123).

The spelling of 1200321143102 in words is "one trillion, two hundred billion, three hundred twenty-one million, one hundred forty-three thousand, one hundred two".

Divisors: 1 2 149 298 50543 79693 101086 159386 7530907 11874257 15061814 23748514 4027923299 8055846598 600160571551 1200321143102