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42143523211 = 199772270297
BaseRepresentation
bin100111001111111100…
…110010000110001011
311000210001110210120001
4213033330302012023
51142302220220321
631205505543431
73021233015416
oct471774620613
9130701423501
1042143523211
1116966a13829
128201944b77
133c8819b7aa
14207b146b7d
151169c99c91
hex9cff3218b

42143523211 has 8 divisors (see below), whose sum is σ = 44407028880. Its totient is φ = 39884560128.

The previous prime is 42143523193. The next prime is 42143523239. The reversal of 42143523211 is 11232534124.

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 42143523211 - 27 = 42143523083 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 42143523211.

It is not an unprimeable number, because it can be changed into a prime (42143523271) 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, 1116586 + ... + 1153711.

It is an arithmetic number, because the mean of its divisors is an integer number (5550878610).

Almost surely, 242143523211 is an apocalyptic number.

42143523211 is a deficient number, since it is larger than the sum of its proper divisors (2263505669).

42143523211 is a wasteful number, since it uses less digits than its factorization.

42143523211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271293.

The product of its digits is 5760, while the sum is 28.

The spelling of 42143523211 in words is "forty-two billion, one hundred forty-three million, five hundred twenty-three thousand, two hundred eleven".

Divisors: 1 19 977 18563 2270297 43135643 2218080169 42143523211