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2132530351 = 7304647193
BaseRepresentation
bin111111100011011…
…1101010010101111
312111121201202200121
41333012331102233
513331411432401
6551335305411
7103563131440
oct17706752257
95447652617
102132530351
119a4837686
124b621b267
1327ca6a7a3
141633172c7
15c7340ca1
hex7f1bd4af

2132530351 has 4 divisors (see below), whose sum is σ = 2437177552. Its totient is φ = 1827883152.

The previous prime is 2132530343. The next prime is 2132530423. The reversal of 2132530351 is 1530352312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2132530351 - 23 = 2132530343 is a prime.

It is a super-3 number, since 3×21325303513 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132530321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152323590 + ... + 152323603.

It is an arithmetic number, because the mean of its divisors is an integer number (609294388).

Almost surely, 22132530351 is an apocalyptic number.

2132530351 is a deficient number, since it is larger than the sum of its proper divisors (304647201).

2132530351 is an equidigital number, since it uses as much as digits as its factorization.

2132530351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304647200.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2132530351 is about 46179.3281783094. The cubic root of 2132530351 is about 1287.1576444306.

Adding to 2132530351 its reverse (1530352312), we get a palindrome (3662882663).

The spelling of 2132530351 in words is "two billion, one hundred thirty-two million, five hundred thirty thousand, three hundred fifty-one".

Divisors: 1 7 304647193 2132530351