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11311420330 = 257161591719
BaseRepresentation
bin10101000100011011…
…01001001110101010
31002012022102200121201
422202031221032222
5141131210422310
65110230554414
7550210325560
oct124215511652
932168380551
1011311420330
114885002571
122238208a0a
1310b35c3632
147943b7a30
154630a6e3a
hex2a23693aa

11311420330 has 16 divisors (see below), whose sum is σ = 23269207680. Its totient is φ = 3878201232.

The previous prime is 11311420321. The next prime is 11311420343. The reversal of 11311420330 is 3302411311.

It is a junction number, because it is equal to n+sod(n) for n = 11311420298 and 11311420307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80795790 + ... + 80795929.

It is an arithmetic number, because the mean of its divisors is an integer number (1454325480).

Almost surely, 211311420330 is an apocalyptic number.

11311420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311420330 is an abundant number, since it is smaller than the sum of its proper divisors (11957787350).

11311420330 is a wasteful number, since it uses less digits than its factorization.

11311420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161591733.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11311420330 its reverse (3302411311), we get a palindrome (14613831641).

The spelling of 11311420330 in words is "eleven billion, three hundred eleven million, four hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 161591719 323183438 807958595 1131142033 1615917190 2262284066 5655710165 11311420330