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142917226813 = 314813957871
BaseRepresentation
bin1000010100011010000…
…1111101000100111101
3111122220010222100121201
42011012201331010331
54320143302224223
6145353312055501
713216423245514
oct2050641750475
9448803870551
10142917226813
115567a059899
1223846834591
1310628084aca
146cbac4967b
153ab6db4ead
hex214687d13d

142917226813 has 8 divisors (see below), whose sum is σ = 147558265856. Its totient is φ = 138278113200.

The previous prime is 142917226801. The next prime is 142917226843. The reversal of 142917226813 is 318622719241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142917226813 is a prime.

It is a super-2 number, since 2×1429172268132 (a number of 23 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 (142917226843) 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, 329733 + ... + 628138.

It is an arithmetic number, because the mean of its divisors is an integer number (18444783232).

Almost surely, 2142917226813 is an apocalyptic number.

It is an amenable number.

142917226813 is a deficient number, since it is larger than the sum of its proper divisors (4641039043).

142917226813 is an equidigital number, since it uses as much as digits as its factorization.

142917226813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962715.

The product of its digits is 290304, while the sum is 46.

The spelling of 142917226813 in words is "one hundred forty-two billion, nine hundred seventeen million, two hundred twenty-six thousand, eight hundred thirteen".

Divisors: 1 31 4813 149203 957871 29694001 4610233123 142917226813