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10031222201 = 7111325738993
BaseRepresentation
bin10010101011110100…
…00100110110111001
3221220002111212221012
421111322010312321
5131020443102301
64335215523305
7503403660530
oct112572046671
927802455835
1010031222201
1142883aa790
121b3b529535
13c3b2cc850
146b236d317
153da9c8ebb
hex255e84db9

10031222201 has 32 divisors (see below), whose sum is σ = 13521247488. Its totient is φ = 7187005440.

The previous prime is 10031222189. The next prime is 10031222261. The reversal of 10031222201 is 10222213001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10031222201 - 26 = 10031222137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10031222261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237761 + ... + 276753.

It is an arithmetic number, because the mean of its divisors is an integer number (422538984).

Almost surely, 210031222201 is an apocalyptic number.

10031222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10031222201 is a deficient number, since it is larger than the sum of its proper divisors (3490025287).

10031222201 is a wasteful number, since it uses less digits than its factorization.

10031222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39281.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10031222201 its reverse (10222213001), we get a palindrome (20253435202).

It can be divided in two parts, 10031 and 222201, that added together give a palindrome (232232).

The spelling of 10031222201 in words is "ten billion, thirty-one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 7 11 13 77 91 143 257 1001 1799 2827 3341 19789 23387 36751 38993 257257 272951 428923 506909 3002461 3548363 5575999 10021201 39031993 70148407 110233211 130275613 771632477 911929291 1433031743 10031222201