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16352231540 = 2253147561161
BaseRepresentation
bin11110011101010101…
…10100000001110100
31120012121121102122012
433032222310001310
5231442132402130
611302341023352
71116136450301
oct171652640164
946177542565
1016352231540
116a31454647
1232043b4b58
131707a41068
14b11a600a8
1565a8c0995
hex3ceab4074

16352231540 has 48 divisors (see below), whose sum is σ = 36201682944. Its totient is φ = 6195206400.

The previous prime is 16352231527. The next prime is 16352231543. The reversal of 16352231540 is 4513225361.

It is a happy number.

16352231540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16352231497 and 16352231506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16352231543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251441 + ... + 309720.

It is an arithmetic number, because the mean of its divisors is an integer number (754201728).

Almost surely, 216352231540 is an apocalyptic number.

16352231540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16352231540 is an abundant number, since it is smaller than the sum of its proper divisors (19849451404).

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

16352231540 is a wasteful number, since it uses less digits than its factorization.

16352231540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561248 (or 561246 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 16352231540 in words is "sixteen billion, three hundred fifty-two million, two hundred thirty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 47 62 94 124 155 188 235 310 470 620 940 1457 2914 5828 7285 14570 29140 561161 1122322 2244644 2805805 5611610 11223220 17395991 26374567 34791982 52749134 69583964 86979955 105498268 131872835 173959910 263745670 347919820 527491340 817611577 1635223154 3270446308 4088057885 8176115770 16352231540