Search a number
-
+
142555636455511 = 1972772612392319
BaseRepresentation
bin100000011010011101010010…
…000100100101100001010111
3200200202012000102002212211011
4200122131102010211201113
5122141112420413034021
61223105053313353051
742012206364526246
oct4032352204454127
9620665012085734
10142555636455511
11414715623a7a74
1213ba42a2268787
136170c28812116
14272ba3010895d
1511732ec717de1
hex81a752125857

142555636455511 has 8 divisors (see below), whose sum is σ = 143796522862080. Its totient is φ = 141319974834528.

The previous prime is 142555636455509. The next prime is 142555636455517. The reversal of 142555636455511 is 115554636555241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142555636455511 - 21 = 142555636455509 is a prime.

It is a super-2 number, since 2×1425556364555112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142555636455517) 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, 1306141591 + ... + 1306250728.

It is an arithmetic number, because the mean of its divisors is an integer number (17974565357760).

Almost surely, 2142555636455511 is an apocalyptic number.

142555636455511 is a deficient number, since it is larger than the sum of its proper divisors (1240886406569).

142555636455511 is a wasteful number, since it uses less digits than its factorization.

142555636455511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612392793.

The product of its digits is 54000000, while the sum is 58.

The spelling of 142555636455511 in words is "one hundred forty-two trillion, five hundred fifty-five billion, six hundred thirty-six million, four hundred fifty-five thousand, five hundred eleven".

Divisors: 1 197 277 54569 2612392319 514641286843 723632672363 142555636455511