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1691129483 = 15126214273
BaseRepresentation
bin110010011001100…
…1001011010001011
311100212011021112022
41210303021122023
511430412120413
6435450435055
756623235441
oct14463113213
94325137468
101691129483
1179866467a
123b2432a8b
1320c491b44
14120856b91
159d700608
hex64cc968b

1691129483 has 8 divisors (see below), whose sum is σ = 1703377056. Its totient is φ = 1678896000.

The previous prime is 1691129477. The next prime is 1691129491. The reversal of 1691129483 is 3849211961.

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 1691129483 - 24 = 1691129467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1691189483) 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, 393635 + ... + 397907.

It is an arithmetic number, because the mean of its divisors is an integer number (212922132).

Almost surely, 21691129483 is an apocalyptic number.

1691129483 is a deficient number, since it is larger than the sum of its proper divisors (12247573).

1691129483 is a wasteful number, since it uses less digits than its factorization.

1691129483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045.

The product of its digits is 93312, while the sum is 44.

The square root of 1691129483 is about 41123.3447448040. The cubic root of 1691129483 is about 1191.4037251954.

The spelling of 1691129483 in words is "one billion, six hundred ninety-one million, one hundred twenty-nine thousand, four hundred eighty-three".

Divisors: 1 151 2621 4273 395771 645223 11199533 1691129483