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218213146030 = 251121601112643
BaseRepresentation
bin1100101100111010000…
…1000101110110101110
3202212020122112100220111
43023032201011312232
512033400031133110
6244125025010234
721523345065055
oct3131641056656
9685218470814
10218213146030
11845a86a5400
123635b18397a
131776775a569
14a7c0d5339c
155a223d1e8a
hex32ce845dae

218213146030 has 48 divisors (see below), whose sum is σ = 432010917072. Its totient is φ = 79299968000.

The previous prime is 218213146013. The next prime is 218213146049. The reversal of 218213146030 is 30641312812.

It is a junction number, because it is equal to n+sod(n) for n = 218213145983 and 218213146001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1880889 + ... + 1993531.

It is an arithmetic number, because the mean of its divisors is an integer number (9000227439).

Almost surely, 2218213146030 is an apocalyptic number.

218213146030 is a deficient number, since it is larger than the sum of its proper divisors (213797771042).

218213146030 is a wasteful number, since it uses less digits than its factorization.

218213146030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114273 (or 114262 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 218213146030 its reverse (30641312812), we get a palindrome (248854458842).

The spelling of 218213146030 in words is "two hundred eighteen billion, two hundred thirteen million, one hundred forty-six thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 1601 3202 8005 16010 17611 35222 88055 112643 176110 193721 225286 387442 563215 968605 1126430 1239073 1937210 2478146 6195365 12390730 13629803 27259606 68149015 136298030 180341443 360682886 901707215 1803414430 1983755873 3967511746 9918779365 19837558730 21821314603 43642629206 109106573015 218213146030