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1520502341113 = 71006921572611
BaseRepresentation
bin10110001000000101000…
…000000111110111111001
312101100200102101222102201
4112020011000013313321
5144402442044403423
63122301550030201
7214565315436550
oct26100500076771
95340612358381
101520502341113
11536928a28758
122068251a8361
13b04c8bb5ab2
1453842556d97
15298422922ad
hex16205007df9

1520502341113 has 8 divisors (see below), whose sum is σ = 1737889622720. Its totient is φ = 1303158224880.

The previous prime is 1520502341093. The next prime is 1520502341159. The reversal of 1520502341113 is 3111432050251.

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-1520502341113 is a prime.

It is a super-2 number, since 2×15205023411132 (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 (1520502321113) 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, 10715823 + ... + 10856788.

It is an arithmetic number, because the mean of its divisors is an integer number (217236202840).

Almost surely, 21520502341113 is an apocalyptic number.

It is an amenable number.

1520502341113 is a deficient number, since it is larger than the sum of its proper divisors (217387281607).

1520502341113 is a wasteful number, since it uses less digits than its factorization.

1520502341113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582687.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1520502341113 its reverse (3111432050251), we get a palindrome (4631934391364).

The spelling of 1520502341113 in words is "one trillion, five hundred twenty billion, five hundred two million, three hundred forty-one thousand, one hundred thirteen".

Divisors: 1 7 10069 70483 21572611 151008277 217214620159 1520502341113