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12320210032 = 2413316918691
BaseRepresentation
bin10110111100101011…
…10111110001110000
31011210121122111221021
423132111313301300
5200212433210112
65354304505224
7614210025454
oct133625676160
934717574837
1012320210032
11525248a169
12247a01b214
1312145ba510
1484c372664
154c1922907
hex2de577c70

12320210032 has 40 divisors (see below), whose sum is σ = 25716079760. Its totient is φ = 5684152320.

The previous prime is 12320210027. The next prime is 12320210039. The reversal of 12320210032 is 23001202321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12320209988 and 12320210015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320210039) 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, 649807 + ... + 668497.

It is an arithmetic number, because the mean of its divisors is an integer number (642901994).

Almost surely, 212320210032 is an apocalyptic number.

It is an amenable number.

12320210032 is an abundant number, since it is smaller than the sum of its proper divisors (13395869728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320210032 is a wasteful number, since it uses less digits than its factorization.

12320210032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881 (or 21875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12320210032 its reverse (23001202321), we get a palindrome (35321412353).

The spelling of 12320210032 in words is "twelve billion, three hundred twenty million, two hundred ten thousand, thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 3169 6338 12676 18691 25352 37382 41197 50704 74764 82394 149528 164788 242983 299056 329576 485966 659152 971932 1943864 3887728 59231779 118463558 236927116 473854232 770013127 947708464 1540026254 3080052508 6160105016 12320210032