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1351424342251 = 31371178225233
BaseRepresentation
bin10011101010100111001…
…010101111100011101011
311210012021002022201002201
4103222213022233203223
5134120204112423001
62512500305441031
7166431361242424
oct23524712574353
94705232281081
101351424342251
1148115489a6a5
12199ab9340177
139a591c89619
14495a312664b
152524886c501
hex13aa72af8eb

1351424342251 has 8 divisors (see below), whose sum is σ = 1432721884544. Its totient is φ = 1272483250560.

The previous prime is 1351424342237. The next prime is 1351424342327. The reversal of 1351424342251 is 1522434241531.

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 1351424342251 - 29 = 1351424341739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 1351424342251.

It is not an unprimeable number, because it can be changed into a prime (1351424342201) 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, 589111470 + ... + 589113763.

It is an arithmetic number, because the mean of its divisors is an integer number (179090235568).

Almost surely, 21351424342251 is an apocalyptic number.

1351424342251 is a deficient number, since it is larger than the sum of its proper divisors (81297542293).

1351424342251 is a wasteful number, since it uses less digits than its factorization.

1351424342251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178225301.

The product of its digits is 115200, while the sum is 37.

Adding to 1351424342251 its reverse (1522434241531), we get a palindrome (2873858583782).

The spelling of 1351424342251 in words is "one trillion, three hundred fifty-one billion, four hundred twenty-four million, three hundred forty-two thousand, two hundred fifty-one".

Divisors: 1 31 37 1147 1178225233 36524982223 43594333621 1351424342251