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142625742541 = 1031384715947
BaseRepresentation
bin1000010011010100101…
…0000001111011001101
3111122010211111102100221
42010311022001323031
54314044142230131
6145304340351341
713206253544242
oct2046512017315
9448124442327
10142625742541
115553a5713a7
12237850a5551
13105ac8790c9
146c902515c9
153a9b4d9411
hex2135281ecd

142625742541 has 4 divisors (see below), whose sum is σ = 144010458592. Its totient is φ = 141241026492.

The previous prime is 142625742533. The next prime is 142625742593. The reversal of 142625742541 is 145247526241.

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 142625742541 - 23 = 142625742533 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 (142620742541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692357871 + ... + 692358076.

It is an arithmetic number, because the mean of its divisors is an integer number (36002614648).

Almost surely, 2142625742541 is an apocalyptic number.

It is an amenable number.

142625742541 is a deficient number, since it is larger than the sum of its proper divisors (1384716051).

142625742541 is a wasteful number, since it uses less digits than its factorization.

142625742541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384716050.

The product of its digits is 537600, while the sum is 43.

The spelling of 142625742541 in words is "one hundred forty-two billion, six hundred twenty-five million, seven hundred forty-two thousand, five hundred forty-one".

Divisors: 1 103 1384715947 142625742541