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215214230000 = 2454711225409
BaseRepresentation
bin1100100001101111000…
…1001000100111110000
3202120111122112122111102
43020123301020213300
512011224320330000
6242511255503532
721356131525460
oct3103361104760
9676448478442
10215214230000
11832a9905400
1235862987ba8
13173aa365533
14a5b894dba0
1558e8ea43d5
hex321bc489f0

215214230000 has 300 divisors, whose sum is σ = 654574406640. Its totient is φ = 67077120000.

The previous prime is 215214229987. The next prime is 215214230071. The reversal of 215214230000 is 32412512.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8457296 + ... + 8482704.

Almost surely, 2215214230000 is an apocalyptic number.

215214230000 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 215214230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327287203320).

215214230000 is an abundant number, since it is smaller than the sum of its proper divisors (439360176640).

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

215214230000 is a wasteful number, since it uses less digits than its factorization.

215214230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25466 (or 25434 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 215214230000 its reverse (32412512), we get a palindrome (215246642512).

The spelling of 215214230000 in words is "two hundred fifteen billion, two hundred fourteen million, two hundred thirty thousand".