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142873001573 = 431331491883
BaseRepresentation
bin1000010100001111100…
…1001111111001100101
3111122210001202110222212
42011003321033321211
54320100442022243
6145345052133205
713215345322121
oct2050371177145
9448701673885
10142873001573
11556570a2805
1223833a67205
131061bb6c023
146cb5016581
153ab307b318
hex2143e4fe65

142873001573 has 4 divisors (see below), whose sum is σ = 143204493888. Its totient is φ = 142541509260.

The previous prime is 142873001567. The next prime is 142873001591. The reversal of 142873001573 is 375100378241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142873001573 - 210 = 142873000549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142873001573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142873001503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165745511 + ... + 165746372.

It is an arithmetic number, because the mean of its divisors is an integer number (35801123472).

Almost surely, 2142873001573 is an apocalyptic number.

It is an amenable number.

142873001573 is a deficient number, since it is larger than the sum of its proper divisors (331492315).

142873001573 is an equidigital number, since it uses as much as digits as its factorization.

142873001573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331492314.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 142873001573 in words is "one hundred forty-two billion, eight hundred seventy-three million, one thousand, five hundred seventy-three".

Divisors: 1 431 331491883 142873001573