Search a number
-
+
420549174906 = 23710013075593
BaseRepresentation
bin1100001111010101010…
…11110010011001111010
31111012111210110121120220
412013222223302121322
523342241042044111
6521110404200510
742245413001640
oct6075253623172
91435453417526
10420549174906
11152399055683
1269609099136
1330871a27a33
14164d73a1190
15ae15992e06
hex61eaaf267a

420549174906 has 16 divisors (see below), whose sum is σ = 961255257024. Its totient is φ = 120156907104.

The previous prime is 420549174847. The next prime is 420549174911. The reversal of 420549174906 is 609471945024.

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, 5006537755 + ... + 5006537838.

It is an arithmetic number, because the mean of its divisors is an integer number (60078453564).

Almost surely, 2420549174906 is an apocalyptic number.

420549174906 is an abundant number, since it is smaller than the sum of its proper divisors (540706082118).

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

420549174906 is a wasteful number, since it uses less digits than its factorization.

420549174906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013075605.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 420549174906 in words is "four hundred twenty billion, five hundred forty-nine million, one hundred seventy-four thousand, nine hundred six".

Divisors: 1 2 3 6 7 14 21 42 10013075593 20026151186 30039226779 60078453558 70091529151 140183058302 210274587453 420549174906