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10322312221 = 1313921127073
BaseRepresentation
bin10011001110100000…
…11111110000011101
3222122101020210101001
421213100133300131
5132120002442341
64424134550301
7513540130504
oct114720376035
928571223331
1010322312221
114417748a51
122000b08391
13c866cac70
146dcca383b
15406327d31
hex26741fc1d

10322312221 has 16 divisors (see below), whose sum is σ = 11249788480. Its totient is φ = 9414558720.

The previous prime is 10322312197. The next prime is 10322312257. The reversal of 10322312221 is 12221322301.

10322312221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10322312221 - 213 = 10322304029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10322312261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367741 + ... + 394813.

It is an arithmetic number, because the mean of its divisors is an integer number (703111780).

Almost surely, 210322312221 is an apocalyptic number.

It is an amenable number.

10322312221 is a deficient number, since it is larger than the sum of its proper divisors (927476259).

10322312221 is a wasteful number, since it uses less digits than its factorization.

10322312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27436.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10322312221 its reverse (12221322301), we get a palindrome (22543634522).

The spelling of 10322312221 in words is "ten billion, three hundred twenty-two million, three hundred twelve thousand, two hundred twenty-one".

Divisors: 1 13 139 211 1807 2743 27073 29329 351949 381277 3763147 5712403 48920911 74261239 794024017 10322312221