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1348021995 = 35319128163
BaseRepresentation
bin101000001011001…
…0010111011101011
310110221112121112120
41100112102323223
510230043200440
6341432442323
745255666165
oct12026227353
93427477476
101348021995
11631a17971
123175493a3
1318637cc68
14cb061935
157d528dd0
hex50592eeb

1348021995 has 16 divisors (see below), whose sum is σ = 2157587712. Its totient is φ = 718694240.

The previous prime is 1348021991. The next prime is 1348022023. The reversal of 1348021995 is 5991208431.

It is not a de Polignac number, because 1348021995 - 22 = 1348021991 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1348021991) 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, 33784 + ... + 61946.

It is an arithmetic number, because the mean of its divisors is an integer number (134849232).

Almost surely, 21348021995 is an apocalyptic number.

1348021995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1348021995 is a deficient number, since it is larger than the sum of its proper divisors (809565717).

1348021995 is a wasteful number, since it uses less digits than its factorization.

1348021995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31362.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1348021995 is about 36715.4190361488. The cubic root of 1348021995 is about 1104.6694055489.

The spelling of 1348021995 in words is "one billion, three hundred forty-eight million, twenty-one thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 3191 9573 15955 28163 47865 84489 140815 422445 89868133 269604399 449340665 1348021995