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16103215312 = 2419202926107
BaseRepresentation
bin11101111111101001…
…11001000011010000
31112120021001002120221
432333310321003100
5230434410342222
611221523442424
71110024033412
oct167764710320
945507032527
1016103215312
116913933008
123154b26414
131698284392
14aca95c9b2
15643ad30c7
hex3bfd390d0

16103215312 has 40 divisors (see below), whose sum is σ = 32859528800. Its totient is φ = 7623787392.

The previous prime is 16103215291. The next prime is 16103215321. The reversal of 16103215312 is 21351230161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603763 + ... + 629869.

It is an arithmetic number, because the mean of its divisors is an integer number (821488220).

Almost surely, 216103215312 is an apocalyptic number.

It is an amenable number.

16103215312 is an abundant number, since it is smaller than the sum of its proper divisors (16756313488).

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

16103215312 is a wasteful number, since it uses less digits than its factorization.

16103215312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28163 (or 28157 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 16103215312 its reverse (21351230161), we get a palindrome (37454445473).

The spelling of 16103215312 in words is "sixteen billion, one hundred three million, two hundred fifteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 2029 4058 8116 16232 26107 32464 38551 52214 77102 104428 154204 208856 308408 417712 496033 616816 992066 1984132 3968264 7936528 52971103 105942206 211884412 423768824 847537648 1006450957 2012901914 4025803828 8051607656 16103215312