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11500928220 = 2235269712573
BaseRepresentation
bin10101011011000001…
…00011110011011100
31002200112000200120110
422231200203303130
5142023214200340
65141120450020
7555001163655
oct125540436334
932615020513
1011500928220
114971a79661
12228b779910
131113946092
147b162852c
15474a3c680
hex2ad823cdc

11500928220 has 48 divisors (see below), whose sum is σ = 32322356640. Its totient is φ = 3055508736.

The previous prime is 11500928167. The next prime is 11500928239. The reversal of 11500928220 is 2282900511.

11500928220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340147 + ... + 372426.

It is an arithmetic number, because the mean of its divisors is an integer number (673382430).

Almost surely, 211500928220 is an apocalyptic number.

11500928220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11500928220 is an abundant number, since it is smaller than the sum of its proper divisors (20821428420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11500928220 is a wasteful number, since it uses less digits than its factorization.

11500928220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712854 (or 712852 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 11500928220 in words is "eleven billion, five hundred million, nine hundred twenty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 269 538 807 1076 1345 1614 2690 3228 4035 5380 8070 16140 712573 1425146 2137719 2850292 3562865 4275438 7125730 8550876 10688595 14251460 21377190 42754380 191682137 383364274 575046411 766728548 958410685 1150092822 1916821370 2300185644 2875232055 3833642740 5750464110 11500928220