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431304140021210 = 25335473128565977
BaseRepresentation
bin110001000010001001101001…
…0000011100101110111011010
32002120010021101002111012021222
41202010103102003211313122
5423012441334321134320
64125150215300532042
7156563460442526021
oct14204232203456732
92076107332435258
10431304140021210
11115477070a6a075
124045976b9b1022
1315687a626bca11
147871335d418b8
1534ce325510825
hex18844d20e5dda

431304140021210 has 16 divisors (see below), whose sum is σ = 776349772264296. Its totient is φ = 172521140402688.

The previous prime is 431304140021197. The next prime is 431304140021231. The reversal of 431304140021210 is 12120041403134.

It can be written as a sum of positive squares in 4 ways, for example, as 298160996140921 + 133143143880289 = 17267339^2 + 11538767^2 .

It is a super-2 number, since 2×4313041400212102 (a number of 30 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 431304140021210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60928259 + ... + 67637718.

Almost surely, 2431304140021210 is an apocalyptic number.

431304140021210 is a deficient number, since it is larger than the sum of its proper divisors (345045632243086).

431304140021210 is a wasteful number, since it uses less digits than its factorization.

431304140021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128901457.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 431304140021210 its reverse (12120041403134), we get a palindrome (443424181424344).

The spelling of 431304140021210 in words is "four hundred thirty-one trillion, three hundred four billion, one hundred forty million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 335473 670946 1677365 3354730 128565977 257131954 642829885 1285659770 43130414002121 86260828004242 215652070010605 431304140021210