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2137191503 = 7929039319
BaseRepresentation
bin111111101100010…
…1111010001001111
312111221111120120212
41333120233101033
513334110112003
6552023233035
7103650554006
oct17730572117
95457446525
102137191503
119a7430677
124b78a877b
13280a10275
14163babc3d
15c7961dd8
hex7f62f44f

2137191503 has 8 divisors (see below), whose sum is σ = 2165222400. Its totient is φ = 2109185208.

The previous prime is 2137191481. The next prime is 2137191523. The reversal of 2137191503 is 3051917312.

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 2137191503 - 26 = 2137191439 is a prime.

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 2137191503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137191523) 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, 224678 + ... + 233996.

It is an arithmetic number, because the mean of its divisors is an integer number (270652800).

Almost surely, 22137191503 is an apocalyptic number.

2137191503 is a deficient number, since it is larger than the sum of its proper divisors (28030897).

2137191503 is an equidigital number, since it uses as much as digits as its factorization.

2137191503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2137191503 is about 46229.7685804288. The cubic root of 2137191503 is about 1288.0947583330.

The spelling of 2137191503 in words is "two billion, one hundred thirty-seven million, one hundred ninety-one thousand, five hundred three".

Divisors: 1 79 2903 9319 229337 736201 27053057 2137191503