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2281393879270 = 251121885449487
BaseRepresentation
bin100001001100101101101…
…010111111100011100110
322002002200021002000100121
4201030231222333203212
5244334243313114040
64504020300232154
7323553032004442
oct41145552774346
98062607060317
102281393879270
117aa596407200
1230a19623b65a
13137199702b8c
147c5c48a7822
153e526ea6c4a
hex2132dabf8e6

2281393879270 has 24 divisors (see below), whose sum is σ = 4513766074272. Its totient is φ = 829597773840.

The previous prime is 2281393879181. The next prime is 2281393879301. The reversal of 2281393879270 is 729783931822.

It is a junction number, because it is equal to n+sod(n) for n = 2281393879199 and 2281393879208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942723534 + ... + 942725953.

It is an arithmetic number, because the mean of its divisors is an integer number (188073586428).

Almost surely, 22281393879270 is an apocalyptic number.

2281393879270 is a deficient number, since it is larger than the sum of its proper divisors (2232372195002).

2281393879270 is a wasteful number, since it uses less digits than its factorization.

2281393879270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885449516 (or 1885449505 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 2281393879270 in words is "two trillion, two hundred eighty-one billion, three hundred ninety-three million, eight hundred seventy-nine thousand, two hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 1885449487 3770898974 9427247435 18854494870 20739944357 41479888714 103699721785 207399443570 228139387927 456278775854 1140696939635 2281393879270