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210404431351 = 2931234042749
BaseRepresentation
bin1100001111110100010…
…1001101010111110111
3202010002110001120010201
43003331011031113313
511421402013300401
6240354121101331
721126006105052
oct3037505152767
9663073046121
10210404431351
11812608a84a4
1234940027847
1316ac1a3cc2a
14a27dc3da99
155716abdb01
hex30fd14d5f7

210404431351 has 8 divisors (see below), whose sum is σ = 224681040000. Its totient is φ = 196595908320.

The previous prime is 210404431327. The next prime is 210404431357. The reversal of 210404431351 is 153134404012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210404431351 - 211 = 210404429303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210404431357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117020476 + ... + 117022273.

It is an arithmetic number, because the mean of its divisors is an integer number (28085130000).

Almost surely, 2210404431351 is an apocalyptic number.

210404431351 is a deficient number, since it is larger than the sum of its proper divisors (14276608649).

210404431351 is a wasteful number, since it uses less digits than its factorization.

210404431351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234042809.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 210404431351 its reverse (153134404012), we get a palindrome (363538835363).

The spelling of 210404431351 in words is "two hundred ten billion, four hundred four million, four hundred thirty-one thousand, three hundred fifty-one".

Divisors: 1 29 31 899 234042749 6787239721 7255325219 210404431351