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21030110322 = 2313299297131
BaseRepresentation
bin10011100101011111…
…100000010001110010
32000021121212021221220
4103211133200101302
5321032202012242
613354444125510
71343100662664
oct234537402162
960247767856
1021030110322
118a11a49171
1240aab36896
131ca1c28080
141037030534
158313e8bec
hex4e57e0472

21030110322 has 32 divisors (see below), whose sum is σ = 46857545280. Its totient is φ = 6247671360.

The previous prime is 21030110303. The next prime is 21030110333. The reversal of 21030110322 is 22301103012.

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 15 ways as a sum of consecutive naturals, for example, 4646304 + ... + 4650827.

It is an arithmetic number, because the mean of its divisors is an integer number (1464298290).

Almost surely, 221030110322 is an apocalyptic number.

21030110322 is an abundant number, since it is smaller than the sum of its proper divisors (25827434958).

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

21030110322 is a wasteful number, since it uses less digits than its factorization.

21030110322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297178.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21030110322 its reverse (22301103012), we get a palindrome (43331213334).

The spelling of 21030110322 in words is "twenty-one billion, thirty million, one hundred ten thousand, three hundred twenty-two".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 174 377 754 1131 2262 9297131 18594262 27891393 55782786 120862703 241725406 269616799 362588109 539233598 725176218 808850397 1617700794 3505018387 7010036774 10515055161 21030110322