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21211010132 = 22131151354391
BaseRepresentation
bin10011110000010001…
…100101010001010100
32000202020020221211212
4103300101211101110
5321420004311012
613424425320552
71350425416454
oct236021452124
960666227755
1021211010132
118aa5075944
12413b636158
132000555690
14105307dd64
1584222db22
hex4f0465454

21211010132 has 24 divisors (see below), whose sum is σ = 40009439232. Its totient is φ = 9781164000.

The previous prime is 21211010131. The next prime is 21211010189. The reversal of 21211010132 is 23101011212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21211010131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117344 + ... + 237047.

It is an arithmetic number, because the mean of its divisors is an integer number (1667059968).

Almost surely, 221211010132 is an apocalyptic number.

It is an amenable number.

21211010132 is a deficient number, since it is larger than the sum of its proper divisors (18798429100).

21211010132 is a wasteful number, since it uses less digits than its factorization.

21211010132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355559 (or 355557 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21211010132 its reverse (23101011212), we get a palindrome (44312021344).

The spelling of 21211010132 in words is "twenty-one billion, two hundred eleven million, ten thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 1151 2302 4604 14963 29926 59852 354391 708782 1417564 4607083 9214166 18428332 407904041 815808082 1631616164 5302752533 10605505066 21211010132