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2131456270 = 25213145627
BaseRepresentation
bin111111100001011…
…0111000100001110
312111112201012022211
41333002313010032
513331123100040
6551300301034
7103551036136
oct17702670416
95445635284
102131456270
119a4173709
124b59a177a
1327c782938
14163117ac6
15c71cc8ea
hex7f0b710e

2131456270 has 8 divisors (see below), whose sum is σ = 3836621304. Its totient is φ = 852582504.

The previous prime is 2131456259. The next prime is 2131456289. The reversal of 2131456270 is 726541312.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 106572804 + ... + 106572823.

It is an arithmetic number, because the mean of its divisors is an integer number (479577663).

Almost surely, 22131456270 is an apocalyptic number.

2131456270 is a deficient number, since it is larger than the sum of its proper divisors (1705165034).

2131456270 is a wasteful number, since it uses less digits than its factorization.

2131456270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213145634.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2131456270 is about 46167.6972568483. The cubic root of 2131456270 is about 1286.9415093680.

Adding to 2131456270 its reverse (726541312), we get a palindrome (2857997582).

The spelling of 2131456270 in words is "two billion, one hundred thirty-one million, four hundred fifty-six thousand, two hundred seventy".

Divisors: 1 2 5 10 213145627 426291254 1065728135 2131456270