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16054412220 = 2235571142901
BaseRepresentation
bin11101111001110101…
…01110001110111100
31112102212012122100000
432330322232032330
5230334412142340
611213021434300
71105562152350
oct167472561674
945385178300
1016054412220
11689932a580
12314070b990
13168b127a02
14ac4297460
1563e692d30
hex3bceae3bc

16054412220 has 288 divisors, whose sum is σ = 62965034496. Its totient is φ = 3335904000.

The previous prime is 16054412207. The next prime is 16054412237. The reversal of 16054412220 is 2221445061.

16054412220 is a `hidden beast` number, since 1 + 605 + 44 + 12 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 352770 + ... + 395670.

It is an arithmetic number, because the mean of its divisors is an integer number (218628592).

Almost surely, 216054412220 is an apocalyptic number.

16054412220 is a gapful number since it is divisible by the number (10) 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 16054412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31482517248).

16054412220 is an abundant number, since it is smaller than the sum of its proper divisors (46910622276).

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

16054412220 is a wasteful number, since it uses less digits than its factorization.

16054412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42943 (or 42929 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 16054412220 its reverse (2221445061), we get a palindrome (18275857281).

The spelling of 16054412220 in words is "sixteen billion, fifty-four million, four hundred twelve thousand, two hundred twenty".