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1142886618619 = 1420780445317
BaseRepresentation
bin10000101000011001010…
…110011101010111111011
311001020222201210201112221
4100220121112131113323
5122211112433243434
62233011310344511
7145366536654034
oct20503126352773
94036881721487
101142886618619
11400771779359
121655ba4bb137
1383a09bc4895
143d45d1a5a8b
151eae0ad22b4
hex10a1959d5fb

1142886618619 has 4 divisors (see below), whose sum is σ = 1142967078144. Its totient is φ = 1142806159096.

The previous prime is 1142886618613. The next prime is 1142886618689. The reversal of 1142886618619 is 9168166882411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1142886618619 is a prime.

It is a super-2 number, since 2×11428866186192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142886618613) 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, 40208452 + ... + 40236865.

It is an arithmetic number, because the mean of its divisors is an integer number (285741769536).

Almost surely, 21142886618619 is an apocalyptic number.

1142886618619 is a deficient number, since it is larger than the sum of its proper divisors (80459525).

1142886618619 is an equidigital number, since it uses as much as digits as its factorization.

1142886618619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80459524.

The product of its digits is 7962624, while the sum is 61.

The spelling of 1142886618619 in words is "one trillion, one hundred forty-two billion, eight hundred eighty-six million, six hundred eighteen thousand, six hundred nineteen".

Divisors: 1 14207 80445317 1142886618619