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11182520380 = 225661845879
BaseRepresentation
bin10100110101000011…
…11011100000111100
31001212022212220010111
422122201323200330
5140400211123010
65045344115404
7544053566143
oct123241734074
931768786114
1011182520380
114819272089
122201005b64
1310929a1785
1478122275a
15456ae458a
hex29a87b83c

11182520380 has 24 divisors (see below), whose sum is σ = 23518847520. Its totient is φ = 4466235840.

The previous prime is 11182520339. The next prime is 11182520387. The reversal of 11182520380 is 8302528111.

11182520380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11182520387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 409720 + ... + 436159.

It is an arithmetic number, because the mean of its divisors is an integer number (979951980).

Almost surely, 211182520380 is an apocalyptic number.

11182520380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11182520380 is an abundant number, since it is smaller than the sum of its proper divisors (12336327140).

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

11182520380 is a wasteful number, since it uses less digits than its factorization.

11182520380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846549 (or 846547 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 11182520380 in words is "eleven billion, one hundred eighty-two million, five hundred twenty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 661 1322 2644 3305 6610 13220 845879 1691758 3383516 4229395 8458790 16917580 559126019 1118252038 2236504076 2795630095 5591260190 11182520380