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101402515513 = 138689897709
BaseRepresentation
bin101111001110000001…
…1111001100000111001
3100200201220201111211201
41132130003321200321
53130133020444023
6114330023454201
710216564106005
oct1363403714071
9320656644751
10101402515513
113a006092832
121779b5b7361
13974025c190
144c9d429705
152987429bad
hex179c0f9839

101402515513 has 8 divisors (see below), whose sum is σ = 109215398600. Its totient is φ = 93591445248.

The previous prime is 101402515493. The next prime is 101402515541. The reversal of 101402515513 is 315515204101.

It can be written as a sum of positive squares in 4 ways, for example, as 51117592464 + 50284923049 = 226092^2 + 224243^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101402515513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101402515553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335898 + ... + 561811.

It is an arithmetic number, because the mean of its divisors is an integer number (13651924825).

Almost surely, 2101402515513 is an apocalyptic number.

101402515513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101402515513 is a deficient number, since it is larger than the sum of its proper divisors (7812883087).

101402515513 is an equidigital number, since it uses as much as digits as its factorization.

101402515513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906411.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 101402515513 its reverse (315515204101), we get a palindrome (416917719614).

The spelling of 101402515513 in words is "one hundred one billion, four hundred two million, five hundred fifteen thousand, five hundred thirteen".

Divisors: 1 13 8689 112957 897709 11670217 7800193501 101402515513