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15114115420 = 225755705771
BaseRepresentation
bin11100001001101111…
…10001100101011100
31110000022212121121121
432010313301211130
5221423203143140
610535431540324
71043353601305
oct160467614534
943008777547
1015114115420
116456584688
122b1982a6a4
13156b392681
14a3544b7ac
155d6d5664a
hex384df195c

15114115420 has 12 divisors (see below), whose sum is σ = 31739642424. Its totient is φ = 6045646160.

The previous prime is 15114115403. The next prime is 15114115433. The reversal of 15114115420 is 2451141151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377852866 + ... + 377852905.

It is an arithmetic number, because the mean of its divisors is an integer number (2644970202).

Almost surely, 215114115420 is an apocalyptic number.

15114115420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15114115420 is an abundant number, since it is smaller than the sum of its proper divisors (16625527004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15114115420 is a wasteful number, since it uses less digits than its factorization.

15114115420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755705780 (or 755705778 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 15114115420 its reverse (2451141151), we get a palindrome (17565256571).

The spelling of 15114115420 in words is "fifteen billion, one hundred fourteen million, one hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 755705771 1511411542 3022823084 3778528855 7557057710 15114115420