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11030445620 = 225551522281
BaseRepresentation
bin10100100010111011…
…10011111000110100
31001110201201200202222
422101131303320310
5140042243224440
65022312421512
7540226145405
oct122135637064
931421650688
1011030445620
114750443067
12217a0a7898
13106a3273cc
14768d579ac
154485a52b5
hex291773e34

11030445620 has 12 divisors (see below), whose sum is σ = 23163935844. Its totient is φ = 4412178240.

The previous prime is 11030445589. The next prime is 11030445623. The reversal of 11030445620 is 2654403011.

It can be written as a sum of positive squares in 2 ways, for example, as 8765827876 + 2264617744 = 93626^2 + 47588^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11030445620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030445623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275761121 + ... + 275761160.

It is an arithmetic number, because the mean of its divisors is an integer number (1930327987).

Almost surely, 211030445620 is an apocalyptic number.

11030445620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030445620 is an abundant number, since it is smaller than the sum of its proper divisors (12133490224).

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

11030445620 is a wasteful number, since it uses less digits than its factorization.

11030445620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551522290 (or 551522288 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11030445620 its reverse (2654403011), we get a palindrome (13684848631).

The spelling of 11030445620 in words is "eleven billion, thirty million, four hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 551522281 1103044562 2206089124 2757611405 5515222810 11030445620