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1234340331142 = 211091261944101
BaseRepresentation
bin10001111101100100011…
…010101011111010000110
311101000001022002200100211
4101331210122223322012
5130210412111044032
62343014221030034
7155115050462362
oct21754432537206
94330038080324
101234340331142
11436531a35156
1217b2820b531a
138c522c50789
1443a571982a2
15221948b3747
hex11f646abe86

1234340331142 has 16 divisors (see below), whose sum is σ = 1853368909200. Its totient is φ = 616550810400.

The previous prime is 1234340331109. The next prime is 1234340331149. The reversal of 1234340331142 is 2411330434321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234340331149) 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, 27966892 + ... + 28010992.

It is an arithmetic number, because the mean of its divisors is an integer number (115835556825).

Almost surely, 21234340331142 is an apocalyptic number.

1234340331142 is a deficient number, since it is larger than the sum of its proper divisors (619028578058).

1234340331142 is a wasteful number, since it uses less digits than its factorization.

1234340331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57831.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1234340331142 its reverse (2411330434321), we get a palindrome (3645670765463).

The spelling of 1234340331142 in words is "one trillion, two hundred thirty-four billion, three hundred forty million, three hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 1109 2218 12619 25238 44101 88202 13994471 27988942 48908009 97816018 556510519 1113021038 617170165571 1234340331142