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20132023312 = 241258251457
BaseRepresentation
bin10010101111111101…
…100100110000010000
31220222000221202012001
4102233331210300100
5312212244221222
613125403043344
71311614242342
oct225775446020
956860852161
1020132023312
1185a10030a5
123a9a210554
131b8ab5133b
14d8da51292
157cc648e27
hex4aff64c10

20132023312 has 10 divisors (see below), whose sum is σ = 39005795198. Its totient is φ = 10066011648.

The previous prime is 20132023267. The next prime is 20132023313. The reversal of 20132023312 is 21332023102.

It can be written as a sum of positive squares in only one way, i.e., 17703899136 + 2428124176 = 133056^2 + 49276^2 .

It is a super-2 number, since 2×201320233122 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20132023312.

It is not an unprimeable number, because it can be changed into a prime (20132023313) 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 as a sum of consecutive naturals, namely, 629125713 + ... + 629125744.

Almost surely, 220132023312 is an apocalyptic number.

It is an amenable number.

20132023312 is a deficient number, since it is larger than the sum of its proper divisors (18873771886).

20132023312 is a wasteful number, since it uses less digits than its factorization.

20132023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258251465 (or 1258251459 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20132023312 its reverse (21332023102), we get a palindrome (41464046414).

The spelling of 20132023312 in words is "twenty billion, one hundred thirty-two million, twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 1258251457 2516502914 5033005828 10066011656 20132023312