Search a number
-
+
45291214080 = 2832571972851
BaseRepresentation
bin101010001011100100…
…010001010100000000
311022220102102001200100
4222023210101110000
51220224022322310
632450111522400
73162233652630
oct521344212400
9138812361610
1045291214080
1118231789542
12893bb29400
13436a353b78
1422991d66c0
1512a12b3ec0
hexa8b911500

45291214080 has 432 divisors, whose sum is σ = 180061225344. Its totient is φ = 10296115200.

The previous prime is 45291214063. The next prime is 45291214081. The reversal of 45291214080 is 8041219254.

45291214080 is a `hidden beast` number, since 4 + 529 + 12 + 1 + 40 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45291214081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15884655 + ... + 15887505.

It is an arithmetic number, because the mean of its divisors is an integer number (416808392).

Almost surely, 245291214080 is an apocalyptic number.

45291214080 is a gapful number since it is divisible by the number (40) 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 45291214080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90030612672).

45291214080 is an abundant number, since it is smaller than the sum of its proper divisors (134770011264).

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

45291214080 is a wasteful number, since it uses less digits than its factorization.

45291214080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 45291214080 in words is "forty-five billion, two hundred ninety-one million, two hundred fourteen thousand, eighty".