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1214551431101 = 73103331488009
BaseRepresentation
bin10001101011001000111…
…010000001011110111101
311022002222011210101211002
4101223020322001132331
5124344400131243401
62325542432140045
7153514500553301
oct21531072013675
94262864711732
101214551431101
114290a768a708
1217747a997625
138a6bb218578
1442adad43d01
15218d7445a6b
hex11ac8e817bd

1214551431101 has 16 divisors (see below), whose sum is σ = 1246900686720. Its totient is φ = 1182697148160.

The previous prime is 1214551431097. The next prime is 1214551431109. The reversal of 1214551431101 is 1011341554121.

It is a cyclic number.

It is not a de Polignac number, because 1214551431101 - 22 = 1214551431097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214551431109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244785 + ... + 2732793.

It is an arithmetic number, because the mean of its divisors is an integer number (77931292920).

Almost surely, 21214551431101 is an apocalyptic number.

It is an amenable number.

1214551431101 is a deficient number, since it is larger than the sum of its proper divisors (32349255619).

1214551431101 is a wasteful number, since it uses less digits than its factorization.

1214551431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488516.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 1214551431101 its reverse (1011341554121), we get a palindrome (2225892985222).

The spelling of 1214551431101 in words is "one trillion, two hundred fourteen billion, five hundred fifty-one million, four hundred thirty-one thousand, one hundred one".

Divisors: 1 73 103 331 7519 24163 34093 488009 2488789 35624657 50264927 161530979 3669339671 11791761467 16637690837 1214551431101