Search a number
-
+
11021131032 = 23319199121453
BaseRepresentation
bin10100100001110100…
…10001110100011000
31001110002012110120020
422100322101310120
5140032402143112
65021341030440
7540054032232
oct122072216430
931402173506
1011021131032
11474616095a
122176b55420
131068415812
14767a11252
1544786548c
hex290e91d18

11021131032 has 64 divisors (see below), whose sum is σ = 29148960000. Its totient is φ = 3462839424.

The previous prime is 11021131027. The next prime is 11021131081. The reversal of 11021131032 is 23013112011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30018 + ... + 151470.

It is an arithmetic number, because the mean of its divisors is an integer number (455452500).

Almost surely, 211021131032 is an apocalyptic number.

11021131032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021131032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14574480000).

11021131032 is an abundant number, since it is smaller than the sum of its proper divisors (18127828968).

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

11021131032 is a wasteful number, since it uses less digits than its factorization.

11021131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121680 (or 121676 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11021131032 its reverse (23013112011), we get a palindrome (34034243043).

The spelling of 11021131032 in words is "eleven billion, twenty-one million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 199 228 398 456 597 796 1194 1592 2388 3781 4776 7562 11343 15124 22686 30248 45372 90744 121453 242906 364359 485812 728718 971624 1457436 2307607 2914872 4615214 6922821 9230428 13845642 18460856 24169147 27691284 48338294 55382568 72507441 96676588 145014882 193353176 290029764 459213793 580059528 918427586 1377641379 1836855172 2755282758 3673710344 5510565516 11021131032