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2131433254 = 28819371291
BaseRepresentation
bin111111100001011…
…0001011100100110
312111112200000202101
41333002301130212
513331121331004
6551300002314
7103550612056
oct17702613446
95445600671
102131433254
119a4158395
124b599039a
1327c775312
1416310d566
15c71c5ba4
hex7f0b1726

2131433254 has 16 divisors (see below), whose sum is σ = 3206676816. Its totient is φ = 1062547200.

The previous prime is 2131433237. The next prime is 2131433263. The reversal of 2131433254 is 4523341312.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1650349 + ... + 1651639.

It is an arithmetic number, because the mean of its divisors is an integer number (200417301).

Almost surely, 22131433254 is an apocalyptic number.

2131433254 is a deficient number, since it is larger than the sum of its proper divisors (1075243562).

2131433254 is a wasteful number, since it uses less digits than its factorization.

2131433254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its digits is 8640, while the sum is 28.

The square root of 2131433254 is about 46167.4479909817. The cubic root of 2131433254 is about 1286.9368771121.

Adding to 2131433254 its reverse (4523341312), we get a palindrome (6654774566).

The spelling of 2131433254 in words is "two billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred fifty-four".

Divisors: 1 2 881 937 1291 1762 1874 2582 825497 1137371 1209667 1650994 2274742 2419334 1065716627 2131433254