Search a number
-
+
142887144586 = 290203792031
BaseRepresentation
bin1000010100010010111…
…1001100110010001010
3111122211001101000120011
42011010233030302022
54320113102111321
6145350315222134
713215606455314
oct2050457146212
9448731330504
10142887144586
115566408264a
122383874794a
1310621a81584
146cb6c587b4
153ab4421ae1
hex2144bccc8a

142887144586 has 8 divisors (see below), whose sum is σ = 214333363584. Its totient is φ = 71442690060.

The previous prime is 142887144577. The next prime is 142887144619. The reversal of 142887144586 is 685441788241.

It is a happy number.

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

It is a super-2 number, since 2×1428871445862 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142887144586.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215610 + ... + 576421.

It is an arithmetic number, because the mean of its divisors is an integer number (26791670448).

Almost surely, 2142887144586 is an apocalyptic number.

142887144586 is a deficient number, since it is larger than the sum of its proper divisors (71446218998).

142887144586 is an equidigital number, since it uses as much as digits as its factorization.

142887144586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882236.

The product of its digits is 13762560, while the sum is 58.

The spelling of 142887144586 in words is "one hundred forty-two billion, eight hundred eighty-seven million, one hundred forty-four thousand, five hundred eighty-six".

Divisors: 1 2 90203 180406 792031 1584062 71443572293 142887144586