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216051030 = 23351361553
BaseRepresentation
bin11001110000010…
…10110101010110
3120001112112022000
430320022311112
5420302113110
633234420130
75232255246
oct1470126526
9501475260
10216051030
11100a56378
1260431646
13359b7160
142099db26
1513e7a1c0
hexce0ad56

216051030 has 64 divisors (see below), whose sum is σ = 620464320. Its totient is φ = 53180928.

The previous prime is 216051023. The next prime is 216051041. The reversal of 216051030 is 30150612.

216051030 is a `hidden beast` number, since 21 + 605 + 10 + 30 = 666.

216051030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 216050994 and 216051012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27267 + ... + 34286.

It is an arithmetic number, because the mean of its divisors is an integer number (9694755).

Almost surely, 2216051030 is an apocalyptic number.

216051030 is an abundant number, since it is smaller than the sum of its proper divisors (404413290).

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

216051030 is a wasteful number, since it uses less digits than its factorization.

216051030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61582 (or 61576 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 216051030 is about 14698.6744300294. The cubic root of 216051030 is about 600.0472462796.

The spelling of 216051030 in words is "two hundred sixteen million, fifty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 61553 123106 184659 307765 369318 553977 615530 800189 923295 1107954 1600378 1661931 1846590 2400567 2769885 3323862 4000945 4801134 5539770 7201701 8001890 8309655 12002835 14403402 16619310 21605103 24005670 36008505 43210206 72017010 108025515 216051030