Search a number
-
+
214212514560 = 28351123491321
BaseRepresentation
bin1100011110000000001…
…1111001001100000000
3202110220211122020020120
43013200003321030000
512002201400431220
6242224033340240
721322246221342
oct3074003711400
9673824566216
10214212514560
118293541a800
1235623407680
131727a9775c5
14a5218b7292
15588b084a40
hex31e00f9300

214212514560 has 432 divisors, whose sum is σ = 754715522400. Its totient is φ = 51742310400.

The previous prime is 214212514559. The next prime is 214212514591. The reversal of 214212514560 is 65415212412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162158700 + ... + 162160020.

Almost surely, 2214212514560 is an apocalyptic number.

214212514560 is a gapful number since it is divisible by the number (20) 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 214212514560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377357761200).

214212514560 is an abundant number, since it is smaller than the sum of its proper divisors (540503007840).

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

214212514560 is a wasteful number, since it uses less digits than its factorization.

214212514560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 214212514560 its reverse (65415212412), we get a palindrome (279627726972).

The spelling of 214212514560 in words is "two hundred fourteen billion, two hundred twelve million, five hundred fourteen thousand, five hundred sixty".