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2137168503 = 3391986131
BaseRepresentation
bin111111101100010…
…1001101001110111
312111221110102001000
41333120221221313
513334103343003
6552022534343
7103650426651
oct17730515167
95457412030
102137168503
119a7415368
124b78973b3
13280a02962
14163ba36d1
15c795a1a3
hex7f629a77

2137168503 has 16 divisors (see below), whose sum is σ = 3169657600. Its totient is φ = 1423212120.

The previous prime is 2137168483. The next prime is 2137168547. The reversal of 2137168503 is 3058617312.

2137168503 is a `hidden beast` number, since 2 + 137 + 16 + 8 + 503 = 666.

It is not a de Polignac number, because 2137168503 - 25 = 2137168471 is a prime.

It is a super-2 number, since 2×21371685032 = 9134978420430522018, which contains 22 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 (2137168403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18253 + ... + 67878.

It is an arithmetic number, because the mean of its divisors is an integer number (198103600).

Almost surely, 22137168503 is an apocalyptic number.

2137168503 is a deficient number, since it is larger than the sum of its proper divisors (1032489097).

2137168503 is an equidigital number, since it uses as much as digits as its factorization.

2137168503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87059 (or 87053 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2137168503 is about 46229.5198222954. The cubic root of 2137168503 is about 1288.0901375825.

The spelling of 2137168503 in words is "two billion, one hundred thirty-seven million, one hundred sixty-eight thousand, five hundred three".

Divisors: 1 3 9 27 919 2757 8271 24813 86131 258393 775179 2325537 79154389 237463167 712389501 2137168503