Search a number
-
+
43020688320 = 2632523962501
BaseRepresentation
bin101000000100001110…
…111001101111000000
311010001012000101212200
4220010032321233000
51201101244011240
631432522353200
73052043550201
oct500416715700
9133035011780
1043020688320
1117277069975
12840765b800
134097b2b5bc
14212183b5a8
1511bbcb5930
hexa043b9bc0

43020688320 has 168 divisors, whose sum is σ = 148594754880. Its totient is φ = 11424000000.

The previous prime is 43020688301. The next prime is 43020688357. The reversal of 43020688320 is 2388602034.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657070 + ... + 719570.

Almost surely, 243020688320 is an apocalyptic number.

43020688320 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 43020688320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74297377440).

43020688320 is an abundant number, since it is smaller than the sum of its proper divisors (105574066560).

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

43020688320 is a wasteful number, since it uses less digits than its factorization.

43020688320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62763 (or 62750 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

It can be divided in two parts, 43020 and 688320, that multiplied together give a square (29611526400 = 1720802).

The spelling of 43020688320 in words is "forty-three billion, twenty million, six hundred eighty-eight thousand, three hundred twenty".