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221314031010 = 232510722981727
BaseRepresentation
bin1100111000011101011…
…0000001110110100010
3210011020202101122102100
43032013112001312202
512111222342443020
6245400435431230
721663240140052
oct3160726016642
9704222348370
10221314031010
118594a001166
1236a85755516
1317b40005347
14a9d6adb562
155b54752a90
hex3387581da2

221314031010 has 48 divisors (see below), whose sum is σ = 580794230016. Its totient is φ = 58465510944.

The previous prime is 221314030997. The next prime is 221314031101. The reversal of 221314031010 is 10130413122.

221314031010 is a `hidden beast` number, since 2 + 213 + 140 + 310 + 1 + 0 = 666.

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

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, 11481234 + ... + 11500493.

It is an arithmetic number, because the mean of its divisors is an integer number (12099879792).

Almost surely, 2221314031010 is an apocalyptic number.

221314031010 is an abundant number, since it is smaller than the sum of its proper divisors (359480199006).

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

221314031010 is a wasteful number, since it uses less digits than its factorization.

221314031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22981847 (or 22981844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 221314031010 its reverse (10130413122), we get a palindrome (231444444132).

The spelling of 221314031010 in words is "two hundred twenty-one billion, three hundred fourteen million, thirty-one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 107 214 321 535 642 963 1070 1605 1926 3210 4815 9630 22981727 45963454 68945181 114908635 137890362 206835543 229817270 344725905 413671086 689451810 1034177715 2068355430 2459044789 4918089578 7377134367 12295223945 14754268734 22131403101 24590447890 36885671835 44262806202 73771343670 110657015505 221314031010