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133222131021 = 3761103998541
BaseRepresentation
bin111110000010010101…
…0000110010101001101
3110201212110221110102210
41330010222012111031
54140314331143041
6141111300341033
712424240300230
oct1740452062515
9421773843383
10133222131021
1151554468931
122199b9a4779
13c7415c1735
14663b3b5417
1536eab84016
hex1f04a8654d

133222131021 has 16 divisors (see below), whose sum is σ = 206333107328. Its totient is φ = 74878948800.

The previous prime is 133222131019. The next prime is 133222131043. The reversal of 133222131021 is 120131222331.

It is not a de Polignac number, because 133222131021 - 21 = 133222131019 is a prime.

It is a super-3 number, since 3×1332221310213 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222131011) by changing a digit.

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, 51997990 + ... + 52000551.

It is an arithmetic number, because the mean of its divisors is an integer number (12895819208).

Almost surely, 2133222131021 is an apocalyptic number.

It is an amenable number.

133222131021 is a deficient number, since it is larger than the sum of its proper divisors (73110976307).

133222131021 is a wasteful number, since it uses less digits than its factorization.

133222131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103998612.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 133222131021 its reverse (120131222331), we get a palindrome (253353353352).

The spelling of 133222131021 in words is "one hundred thirty-three billion, two hundred twenty-two million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 3 7 21 61 183 427 1281 103998541 311995623 727989787 2183969361 6343911001 19031733003 44407377007 133222131021