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2145315212513 = 11829235257727
BaseRepresentation
bin11111001101111110110…
…000000100110011100001
321121002102201001111112222
4133031332300010303201
5240122101143300023
64321313314200425
7310664624300534
oct37157660046341
97532381044488
102145315212513
11757906566840
122a7939883115
131273c137b015
1475b95d92a1b
153ac1066bcc8
hex1f37ec04ce1

2145315212513 has 8 divisors (see below), whose sum is σ = 2343166970880. Its totient is φ = 1947933971280.

The previous prime is 2145315212503. The next prime is 2145315212527. The reversal of 2145315212513 is 3152125135412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2145315212513 - 240 = 1045803584737 is a prime.

It is a super-2 number, since 2×21453152125132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145315212503) 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, 117619745 + ... + 117637982.

It is an arithmetic number, because the mean of its divisors is an integer number (292895871360).

Almost surely, 22145315212513 is an apocalyptic number.

It is an amenable number.

2145315212513 is a deficient number, since it is larger than the sum of its proper divisors (197851758367).

2145315212513 is a wasteful number, since it uses less digits than its factorization.

2145315212513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235258567.

The product of its digits is 36000, while the sum is 35.

The spelling of 2145315212513 in words is "two trillion, one hundred forty-five billion, three hundred fifteen million, two hundred twelve thousand, five hundred thirteen".

Divisors: 1 11 829 9119 235257727 2587834997 195028655683 2145315212513