Search a number
-
+
214643520000 = 29345472132
BaseRepresentation
bin1100011111100111000…
…0000011001000000000
3202112000212122120120000
43013321300003020000
512004042220120000
6242334511320000
721336031550100
oct3077160031000
9675025576500
10214643520000
1183036742548
1235723820000
1317319053700
14a562c2d200
1558b3d20000
hex31f9c03200

214643520000 has 2250 divisors, whose sum is σ = 1008411949413. Its totient is φ = 45287424000.

The previous prime is 214643519971. The next prime is 214643520031. The reversal of 214643520000 is 25346412.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

214643520000 is a `hidden beast` number, since 2 + 14 + 643 + 5 + 2 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 83692175616 + 130951344384 = 289296^2 + 361872^2 .

It is a tau number, because it is divible by the number of its divisors (2250).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=327600.

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

It is an unprimeable number.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 16511039994 + ... + 16511040006.

Almost surely, 2214643520000 is an apocalyptic number.

214643520000 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 214643520000

214643520000 is an abundant number, since it is smaller than the sum of its proper divisors (793768429413).

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

214643520000 is an frugal number, since it uses more digits than its factorization.

214643520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 214643520000 its reverse (25346412), we get a palindrome (214668866412).

The spelling of 214643520000 in words is "two hundred fourteen billion, six hundred forty-three million, five hundred twenty thousand".