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16345522260 = 2232590808457
BaseRepresentation
bin11110011100100010…
…01110000001010100
31120012010222120020100
433032101032001110
5231433423203020
611301541134100
71116025434564
oct171621160124
946163876210
1016345522260
116a28691891
1232020ba330
131706532282
14b10bd4da4
15659ee7a90
hex3ce44e054

16345522260 has 36 divisors (see below), whose sum is σ = 49581418068. Its totient is φ = 4358805888.

The previous prime is 16345522229. The next prime is 16345522261. The reversal of 16345522260 is 6222554361.

16345522260 is a `hidden beast` number, since 1 + 6 + 345 + 52 + 2 + 260 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2960883396 + 13384638864 = 54414^2 + 115692^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16345522261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45404049 + ... + 45404408.

It is an arithmetic number, because the mean of its divisors is an integer number (1377261613).

Almost surely, 216345522260 is an apocalyptic number.

16345522260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16345522260 is an abundant number, since it is smaller than the sum of its proper divisors (33235895808).

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

16345522260 is a wasteful number, since it uses less digits than its factorization.

16345522260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90808472 (or 90808467 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 16345522260 in words is "sixteen billion, three hundred forty-five million, five hundred twenty-two thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 90808457 181616914 272425371 363233828 454042285 544850742 817276113 908084570 1089701484 1362126855 1634552226 1816169140 2724253710 3269104452 4086380565 5448507420 8172761130 16345522260