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226102556152821 = 31921118799580623
BaseRepresentation
bin110011011010001110011010…
…100010101101001111110101
31002122120012012220010110211210
4303122032122202231033311
5214113431013333342241
62120514025204552033
765424241055636655
oct6332163242551765
91078505186113753
10226102556152821
1166052612515327
12214382346b2619
1399214c1b723aa
143db95ca39c365
151b216a6716316
hexcda39a8ad3f5

226102556152821 has 16 divisors (see below), whose sum is σ = 318840887383040. Its totient is φ = 142124829502320.

The previous prime is 226102556152789. The next prime is 226102556152909. The reversal of 226102556152821 is 128251655201622.

It is not a de Polignac number, because 226102556152821 - 25 = 226102556152789 is a prime.

It is a super-2 number, since 2×2261025561528212 (a number of 30 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 (226102556152321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9399778285 + ... + 9399802338.

It is an arithmetic number, because the mean of its divisors is an integer number (19927555461440).

Almost surely, 2226102556152821 is an apocalyptic number.

It is an amenable number.

226102556152821 is a deficient number, since it is larger than the sum of its proper divisors (92738331230219).

226102556152821 is a wasteful number, since it uses less digits than its factorization.

226102556152821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18799580856.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 226102556152821 in words is "two hundred twenty-six trillion, one hundred two billion, five hundred fifty-six million, one hundred fifty-two thousand, eight hundred twenty-one".

Divisors: 1 3 19 57 211 633 4009 12027 18799580623 56398741869 357192031837 1071576095511 3966711511453 11900134534359 75367518717607 226102556152821