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1350001231 = 8811532351
BaseRepresentation
bin101000001110111…
…0110001001001111
310111002021011112121
41100131312021033
510231100014411
6341543113411
745311551435
oct12035661117
93432234477
101350001231
116330499a7
12318142867
131868c3ac7
14cb418d55
157d7ba571
hex5077624f

1350001231 has 4 divisors (see below), whose sum is σ = 1351534464. Its totient is φ = 1348468000.

The previous prime is 1350001199. The next prime is 1350001253. The reversal of 1350001231 is 1321000531.

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

It is a cyclic number.

It is not a de Polignac number, because 1350001231 - 25 = 1350001199 is a prime.

It is a super-2 number, since 2×13500012312 = 3645006647403030722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350001271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765295 + ... + 767056.

It is an arithmetic number, because the mean of its divisors is an integer number (337883616).

Almost surely, 21350001231 is an apocalyptic number.

1350001231 is a deficient number, since it is larger than the sum of its proper divisors (1533233).

1350001231 is an equidigital number, since it uses as much as digits as its factorization.

1350001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533232.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1350001231 is about 36742.3628935320. The cubic root of 1350001231 is about 1105.2097855211.

Adding to 1350001231 its reverse (1321000531), we get a palindrome (2671001762).

The spelling of 1350001231 in words is "one billion, three hundred fifty million, one thousand, two hundred thirty-one".

Divisors: 1 881 1532351 1350001231