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20150145112 = 237931883141
BaseRepresentation
bin10010110001000010…
…101101000001011000
31221000022001102121211
4102301002231001120
5312231414120422
613131251312504
71312224256516
oct226102550130
957008042554
1020150145112
118600260299
123aa42ab734
131b918278b6
14d9220b4b6
157ce028577
hex4b10ad058

20150145112 has 16 divisors (see below), whose sum is σ = 38259770400. Its totient is φ = 9947539680.

The previous prime is 20150145083. The next prime is 20150145133. The reversal of 20150145112 is 21154105102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15940939 + ... + 15942202.

It is an arithmetic number, because the mean of its divisors is an integer number (2391235650).

Almost surely, 220150145112 is an apocalyptic number.

It is an amenable number.

20150145112 is a deficient number, since it is larger than the sum of its proper divisors (18109625288).

20150145112 is a wasteful number, since it uses less digits than its factorization.

20150145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883226 (or 31883222 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 20150145112 in words is "twenty billion, one hundred fifty million, one hundred forty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 79 158 316 632 31883141 63766282 127532564 255065128 2518768139 5037536278 10075072556 20150145112