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16342431020 = 2251518096689
BaseRepresentation
bin11110011100001010…
…11011010100101100
31120011221011111211222
433032011123110230
5231432130243040
611301351002512
71115660241326
oct171605332454
946157144758
1016342431020
116a26970343
123201069438
1317059bc236
14b1062c616
15659ad6bb5
hex3ce15b52c

16342431020 has 48 divisors (see below), whose sum is σ = 34594257600. Its totient is φ = 6484684800.

The previous prime is 16342431011. The next prime is 16342431047. The reversal of 16342431020 is 2013424361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439836 + ... + 2446524.

It is an arithmetic number, because the mean of its divisors is an integer number (720713700).

Almost surely, 216342431020 is an apocalyptic number.

16342431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16342431020 is an abundant number, since it is smaller than the sum of its proper divisors (18251826580).

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

16342431020 is a wasteful number, since it uses less digits than its factorization.

16342431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658 (or 7656 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 16342431020 its reverse (2013424361), we get a palindrome (18355855381).

The spelling of 16342431020 in words is "sixteen billion, three hundred forty-two million, four hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 809 1510 1618 3020 3236 4045 6689 8090 13378 16180 26756 33445 66890 122159 133780 244318 488636 610795 1010039 1221590 2020078 2443180 4040156 5050195 5411401 10100390 10822802 20200780 21645604 27057005 54114010 108228020 817121551 1634243102 3268486204 4085607755 8171215510 16342431020