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12723857070 = 235424128569
BaseRepresentation
bin10111101100110011…
…01010011010101110
31012211202011220120120
423312121222122232
5202024301411240
65502324225410
7630211000131
oct136631523256
935752156516
1012723857070
11543a316161
12257123b266
13127a107b12
14889c06218
154e70a6ad0
hex2f666a6ae

12723857070 has 16 divisors (see below), whose sum is σ = 30537257040. Its totient is φ = 3393028544.

The previous prime is 12723857063. The next prime is 12723857101. The reversal of 12723857070 is 7075832721.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212064255 + ... + 212064314.

It is an arithmetic number, because the mean of its divisors is an integer number (1908578565).

Almost surely, 212723857070 is an apocalyptic number.

12723857070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12723857070 is an abundant number, since it is smaller than the sum of its proper divisors (17813399970).

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

12723857070 is a wasteful number, since it uses less digits than its factorization.

12723857070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424128579.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 12723857070 in words is "twelve billion, seven hundred twenty-three million, eight hundred fifty-seven thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 424128569 848257138 1272385707 2120642845 2544771414 4241285690 6361928535 12723857070