Search a number
-
+
11551455300 = 223527111932591
BaseRepresentation
bin10101100001000010…
…10011100001000100
31002211001002201200210
422300201103201010
5142124133032200
65150123435420
7556153515150
oct126041234104
932731081623
1011551455300
11499854a380
1222a4685b70
131121257368
147b821c060
154791bd650
hex2b0853844

11551455300 has 288 divisors, whose sum is σ = 41901318144. Its totient is φ = 2386944000.

The previous prime is 11551455299. The next prime is 11551455317. The reversal of 11551455300 is 355415511.

It is a super-2 number, since 2×115514553002 (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4457005 + ... + 4459595.

It is an arithmetic number, because the mean of its divisors is an integer number (145490688).

Almost surely, 211551455300 is an apocalyptic number.

11551455300 is a gapful number since it is divisible by the number (10) 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 11551455300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20950659072).

11551455300 is an abundant number, since it is smaller than the sum of its proper divisors (30349862844).

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

11551455300 is a wasteful number, since it uses less digits than its factorization.

11551455300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

It can be divided in two parts, 115 and 51455300, that added together give a palindrome (51455415).

The spelling of 11551455300 in words is "eleven billion, five hundred fifty-one million, four hundred fifty-five thousand, three hundred".