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20032131002 = 2132937718049
BaseRepresentation
bin10010101010000000…
…100000111110111010
31220201001222200200212
4102222000200332322
5312011211143002
613111434031122
71306262206202
oct225200407672
956631880625
1020032131002
11854a685574
123a708784a2
131b73247870
14d8068b402
157c39b6352
hex4aa020fba

20032131002 has 32 divisors (see below), whose sum is σ = 34380234000. Its totient is φ = 8685508608.

The previous prime is 20032130981. The next prime is 20032131011. The reversal of 20032131002 is 20013123002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13163202361 + 6868928641 = 114731^2 + 82879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331127 + ... + 386922.

Almost surely, 220032131002 is an apocalyptic number.

20032131002 is a deficient number, since it is larger than the sum of its proper divisors (14348102998).

20032131002 is a wasteful number, since it uses less digits than its factorization.

20032131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718130.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20032131002 its reverse (20013123002), we get a palindrome (40045254004).

The spelling of 20032131002 in words is "twenty billion, thirty-two million, one hundred thirty-one thousand, two".

Divisors: 1 2 13 26 29 37 58 74 377 481 754 962 1073 2146 13949 27898 718049 1436098 9334637 18669274 20823421 26567813 41646842 53135626 270704473 345381569 541408946 690763138 770466577 1540933154 10016065501 20032131002