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10120002201 = 323735178641
BaseRepresentation
bin10010110110011001…
…01111101010011001
3222010021120101012100
421123030233222121
5131211210032301
64352110434013
7505532412411
oct113314575231
928107511170
1010120002201
114323528491
121b65202909
13c538153aa
146c007d641
153e36b4286
hex25b32fa99

10120002201 has 24 divisors (see below), whose sum is σ = 15018862664. Its totient is φ = 6561699840.

The previous prime is 10120002187. The next prime is 10120002229. The reversal of 10120002201 is 10220002101.

It can be written as a sum of positive squares in 4 ways, for example, as 3251736576 + 6868265625 = 57024^2 + 82875^2 .

It is not a de Polignac number, because 10120002201 - 213 = 10119994009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10120022201) 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 23 ways as a sum of consecutive naturals, for example, 1166841 + ... + 1175481.

Almost surely, 210120002201 is an apocalyptic number.

It is an amenable number.

10120002201 is a deficient number, since it is larger than the sum of its proper divisors (4898860463).

10120002201 is a wasteful number, since it uses less digits than its factorization.

10120002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201 (or 12198 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10120002201 its reverse (10220002101), we get a palindrome (20340004302).

The spelling of 10120002201 in words is "ten billion, one hundred twenty million, two thousand, two hundred one".

Divisors: 1 3 9 37 111 333 3517 8641 10551 25923 31653 77769 130129 319717 390387 959151 1171161 2877453 30390397 91171191 273513573 1124444689 3373334067 10120002201