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2153550331 = 37120148463
BaseRepresentation
bin1000000001011100…
…1001000111111011
312120002021200200101
42000113021013323
513402302102311
6553410020231
7104236606252
oct20027110773
95502250611
102153550331
11a05694269
12501277677
1328421a24a
14166029799
15c90e3ec1
hex805c91fb

2153550331 has 8 divisors (see below), whose sum is σ = 2213641664. Its totient is φ = 2093558400.

The previous prime is 2153550323. The next prime is 2153550367. The reversal of 2153550331 is 1330553512.

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 2153550331 - 23 = 2153550323 is a prime.

It is a super-2 number, since 2×21535503312 = 9275558056300419122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153550331.

It is not an unprimeable number, because it can be changed into a prime (2153550031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20206 + ... + 68668.

It is an arithmetic number, because the mean of its divisors is an integer number (276705208).

Almost surely, 22153550331 is an apocalyptic number.

2153550331 is a deficient number, since it is larger than the sum of its proper divisors (60091333).

2153550331 is a wasteful number, since it uses less digits than its factorization.

2153550331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49701.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 2153550331 is about 46406.3608894298. The cubic root of 2153550331 is about 1291.3729210588.

The spelling of 2153550331 in words is "two billion, one hundred fifty-three million, five hundred fifty thousand, three hundred thirty-one".

Divisors: 1 37 1201 44437 48463 1793131 58204063 2153550331