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16342841780 = 2255411510429
BaseRepresentation
bin11110011100001101…
…11111100110110100
31120011221221101022022
433032012333212310
5231432231414110
611301403452312
71115663602016
oct171606774664
946157841268
1016342841780
116a27120a11
123201227098
131705b041a5
14b106d81b6
15659b68755
hex3ce1bf9b4

16342841780 has 24 divisors (see below), whose sum is σ = 34383428520. Its totient is φ = 6525048960.

The previous prime is 16342841771. The next prime is 16342841789. The reversal of 16342841780 is 8714824361.

It is an interprime number because it is at equal distance from previous prime (16342841771) and next prime (16342841789).

It can be written as a sum of positive squares in 4 ways, for example, as 5298092944 + 11044748836 = 72788^2 + 105094^2 .

It is a super-2 number, since 2×163428417802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16342841789) 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, 744395 + ... + 766034.

It is an arithmetic number, because the mean of its divisors is an integer number (1432642855).

Almost surely, 216342841780 is an apocalyptic number.

16342841780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16342841780 is an abundant number, since it is smaller than the sum of its proper divisors (18040586740).

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

16342841780 is a wasteful number, since it uses less digits than its factorization.

16342841780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510979 (or 1510977 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 16342841780 in words is "sixteen billion, three hundred forty-two million, eight hundred forty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 541 1082 2164 2705 5410 10820 1510429 3020858 6041716 7552145 15104290 30208580 817142089 1634284178 3268568356 4085710445 8171420890 16342841780