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2142345344154 = 231721003385727
BaseRepresentation
bin11111001011001101101…
…110111011010010011010
321120210202201201120001120
4133023031232323102122
5240100010402003104
64320102503430110
7310531212652311
oct37131556732232
97523681646046
102142345344154
11756622106784
122a724b155336
13127039cb6672
1475993791278
153aad9a7acd9
hex1f2cdbbb49a

2142345344154 has 16 divisors (see below), whose sum is σ = 4536731317248. Its totient is φ = 672108343232.

The previous prime is 2142345344149. The next prime is 2142345344159. The reversal of 2142345344154 is 4514435432412.

It is an interprime number because it is at equal distance from previous prime (2142345344149) and next prime (2142345344159).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2142345344159) 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, 10501692762 + ... + 10501692965.

It is an arithmetic number, because the mean of its divisors is an integer number (283545707328).

Almost surely, 22142345344154 is an apocalyptic number.

2142345344154 is an abundant number, since it is smaller than the sum of its proper divisors (2394385973094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142345344154 is a wasteful number, since it uses less digits than its factorization.

2142345344154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21003385749.

The product of its digits is 921600, while the sum is 42.

The spelling of 2142345344154 in words is "two trillion, one hundred forty-two billion, three hundred forty-five million, three hundred forty-four thousand, one hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 21003385727 42006771454 63010157181 126020314362 357057557359 714115114718 1071172672077 2142345344154