Search a number
-
+
42030421433020 = 22512716547410013
BaseRepresentation
bin10011000111001111110000…
…10101101101101010111100
312111211001212100001210002001
421203213320111231222330
521002111300341324040
6225220301542112044
711565412011340246
oct1143477025555274
9174731770053061
1042030421433020
1112435002193839
12486993b11b624
131a5b5b45cac77
14a543d7357096
154cd49381c59a
hex2639f856dabc

42030421433020 has 24 divisors (see below), whose sum is σ = 88958876235264. Its totient is φ = 16679789292096.

The previous prime is 42030421433009. The next prime is 42030421433047. The reversal of 42030421433020 is 2033412403024.

It is a self number, because there is not a number n which added to its sum of digits gives 42030421433020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8273702467 + ... + 8273707546.

It is an arithmetic number, because the mean of its divisors is an integer number (3706619843136).

Almost surely, 242030421433020 is an apocalyptic number.

It is an amenable number.

42030421433020 is an abundant number, since it is smaller than the sum of its proper divisors (46928454802244).

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

42030421433020 is a wasteful number, since it uses less digits than its factorization.

42030421433020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16547410149 (or 16547410147 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42030421433020 its reverse (2033412403024), we get a palindrome (44063833836044).

The spelling of 42030421433020 in words is "forty-two trillion, thirty billion, four hundred twenty-one million, four hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 16547410013 33094820026 66189640052 82737050065 165474100130 330948200260 2101521071651 4203042143302 8406084286604 10507605358255 21015210716510 42030421433020