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13125284706 = 2311397119937
BaseRepresentation
bin11000011100101001…
…11111001101100010
31020212201112112202210
430032110333031202
5203340033102311
610010224222550
7643154036112
oct141624771542
936781475683
1013125284706
115625976736
12266376aa56
131312329171
148c725d042
1551c44d3a6
hex30e53f362

13125284706 has 32 divisors (see below), whose sum is σ = 26511478848. Its totient is φ = 4331694080.

The previous prime is 13125284687. The next prime is 13125284713. The reversal of 13125284706 is 60748252131.

It is a super-2 number, since 2×131252847062 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648370 + ... + 668306.

It is an arithmetic number, because the mean of its divisors is an integer number (828483714).

Almost surely, 213125284706 is an apocalyptic number.

13125284706 is an abundant number, since it is smaller than the sum of its proper divisors (13386194142).

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

13125284706 is a wasteful number, since it uses less digits than its factorization.

13125284706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21026.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 13125284706 in words is "thirteen billion, one hundred twenty-five million, two hundred eighty-four thousand, seven hundred six".

Divisors: 1 2 3 6 113 226 339 678 971 1942 2913 5826 19937 39874 59811 109723 119622 219446 329169 658338 2252881 4505762 6758643 13517286 19358827 38717654 58076481 116152962 2187547451 4375094902 6562642353 13125284706