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10221412201 = 721121321012
BaseRepresentation
bin10011000010011111…
…00101111101101001
3222101100101112120021
421201033211331221
5131413140142301
64410132200441
7511203366400
oct114117457551
928340345507
1010221412201
1143757a2300
121b93169121
13c6b830900
146cd71a637
153ec5468a1
hex2613e5f69

10221412201 has 81 divisors (see below), whose sum is σ = 14293588869. Its totient is φ = 7279272000.

The previous prime is 10221412183. The next prime is 10221412211.

The square root of 10221412201 is 101101.

It is a perfect power (a square), and thus also a powerful number.

10221412201 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 385533225 + 9835878976 = 19635^2 + 99176^2 .

It is not a de Polignac number, because 10221412201 - 29 = 10221411689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221412211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 101202051 + ... + 101202151.

Almost surely, 210221412201 is an apocalyptic number.

10221412201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221412201 is the 101101-st square number.

10221412201 is the 50551-st centered octagonal number.

It is an amenable number.

10221412201 is a deficient number, since it is larger than the sum of its proper divisors (4072176668).

10221412201 is a wasteful number, since it uses less digits than its factorization.

10221412201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Multiplying 10221412201 by its sum of digits (16), we get a square (163542595216 = 4044042).

Multiplying 10221412201 by its product of nonzero digits (64), we get a square (654170380864 = 8088082).

The spelling of 10221412201 in words is "ten billion, two hundred twenty-one million, four hundred twelve thousand, two hundred one".

Divisors: 1 7 11 13 49 77 91 101 121 143 169 539 637 707 847 1001 1111 1183 1313 1573 1859 4949 5929 7007 7777 8281 9191 10201 11011 12221 13013 14443 17069 20449 54439 64337 71407 77077 85547 91091 101101 112211 119483 132613 143143 158873 187759 499849 598829 707707 785477 836381 928291 1002001 1112111 1234321 1314313 1458743 1723969 2065349 5498339 6498037 7784777 8640247 9200191 10211201 12067783 14457443 16046173 18963659 60481729 71478407 84474481 101202101 112323211 132745613 208600249 786262477 929219291 1460201743 10221412201