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216124150 = 252112139257
BaseRepresentation
bin11001110000111…
…00101011110110
3120001200020121011
430320130223312
5420311433100
633240142434
75233011364
oct1470345366
9501606534
10216124150
11100aa6300
1260467a1a
1335a11518
14209bc634
1513e91bba
hexce1caf6

216124150 has 72 divisors (see below), whose sum is σ = 446768280. Its totient is φ = 77721600.

The previous prime is 216124147. The next prime is 216124151. The reversal of 216124150 is 51421612.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216124151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 840822 + ... + 841078.

It is an arithmetic number, because the mean of its divisors is an integer number (6205115).

Almost surely, 2216124150 is an apocalyptic number.

216124150 is an abundant number, since it is smaller than the sum of its proper divisors (230644130).

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

216124150 is a wasteful number, since it uses less digits than its factorization.

216124150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 216124150 is about 14701.1615187372. The cubic root of 216124150 is about 600.1149316868.

Adding to 216124150 its reverse (51421612), we get a palindrome (267545762).

The spelling of 216124150 in words is "two hundred sixteen million, one hundred twenty-four thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 139 242 257 275 278 514 550 605 695 1210 1285 1390 1529 2570 2827 3025 3058 3475 5654 6050 6425 6950 7645 12850 14135 15290 16819 28270 31097 33638 35723 38225 62194 70675 71446 76450 84095 141350 155485 168190 178615 310970 357230 392953 420475 777425 785906 840950 893075 1554850 1786150 1964765 3929530 4322483 8644966 9823825 19647650 21612415 43224830 108062075 216124150