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2135481914 = 21067740957
BaseRepresentation
bin111111101001000…
…1101111000111010
312111211021201110202
41333102031320322
513333140410124
6551522442202
7103630203536
oct17722157072
95454251422
102135481914
119a6473195
124b7203362
13280562087
14163884bc6
15c77255ae
hex7f48de3a

2135481914 has 4 divisors (see below), whose sum is σ = 3203222874. Its totient is φ = 1067740956.

The previous prime is 2135481913. The next prime is 2135481919. The reversal of 2135481914 is 4191845312.

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

It can be written as a sum of positive squares in only one way, i.e., 2013047689 + 122434225 = 44867^2 + 11065^2 .

It is a super-2 number, since 2×21354819142 = 9120566010042206792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135481913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533870477 + ... + 533870480.

Almost surely, 22135481914 is an apocalyptic number.

2135481914 is a deficient number, since it is larger than the sum of its proper divisors (1067740960).

2135481914 is a wasteful number, since it uses less digits than its factorization.

2135481914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067740959.

The product of its digits is 34560, while the sum is 38.

The square root of 2135481914 is about 46211.2747497837. The cubic root of 2135481914 is about 1287.7512077649.

The spelling of 2135481914 in words is "two billion, one hundred thirty-five million, four hundred eighty-one thousand, nine hundred fourteen".

Divisors: 1 2 1067740957 2135481914