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1312544450153 = 7317980060961
BaseRepresentation
bin10011000110011001101…
…111101110011001101001
311122110220110221112210002
4103012121233232121221
5133001042334401103
62442550302432345
7163554034513346
oct23063157563151
94573813845702
101312544450153
11466713140272
121924685926b5
1396a06ca8301
144775560d7cd
152422038e488
hex13199bee669

1312544450153 has 4 divisors (see below), whose sum is σ = 1330524511188. Its totient is φ = 1294564389120.

The previous prime is 1312544450141. The next prime is 1312544450159. The reversal of 1312544450153 is 3510544452131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 236237797849 + 1076306652304 = 486043^2 + 1037452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312544450153 - 214 = 1312544433769 is a prime.

It is a super-3 number, since 3×13125444501533 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312544450159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8990030408 + ... + 8990030553.

It is an arithmetic number, because the mean of its divisors is an integer number (332631127797).

Almost surely, 21312544450153 is an apocalyptic number.

It is an amenable number.

1312544450153 is a deficient number, since it is larger than the sum of its proper divisors (17980061035).

1312544450153 is an equidigital number, since it uses as much as digits as its factorization.

1312544450153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980061034.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 1312544450153 in words is "one trillion, three hundred twelve billion, five hundred forty-four million, four hundred fifty thousand, one hundred fifty-three".

Divisors: 1 73 17980060961 1312544450153