Search a number
-
+
42958305720 = 233351121761317
BaseRepresentation
bin101000000000100000…
…111011100110111000
311002212211122001001000
4220000200323212320
51200434311240340
631422413325000
73050355400551
oct500040734670
9132784561030
1042958305720
1117244930a00
1283aa796760
134087c29015
14211743d328
1511b6591d30
hexa0083b9b8

42958305720 has 768 divisors, whose sum is σ = 169920374400. Its totient is φ = 9610444800.

The previous prime is 42958305623. The next prime is 42958305739. The reversal of 42958305720 is 2750385924.

42958305720 is a `hidden beast` number, since 4 + 29 + 58 + 3 + 0 + 572 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 135515002 + ... + 135515318.

Almost surely, 242958305720 is an apocalyptic number.

42958305720 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 42958305720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84960187200).

42958305720 is an abundant number, since it is smaller than the sum of its proper divisors (126962068680).

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

42958305720 is a wasteful number, since it uses less digits than its factorization.

42958305720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 42958305720 in words is "forty-two billion, nine hundred fifty-eight million, three hundred five thousand, seven hundred twenty".