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12601168770 = 235420038959
BaseRepresentation
bin10111011110001011…
…01001001110000010
31012112012022200212110
423233011221032002
5201301344400040
65442222440150
7624161111241
oct135705511602
935465280773
1012601168770
115387038673
122538133056
13125a87c3a8
148777ca958
154db41e980
hex2ef169382

12601168770 has 16 divisors (see below), whose sum is σ = 30242805120. Its totient is φ = 3360311664.

The previous prime is 12601168763. The next prime is 12601168787. The reversal of 12601168770 is 7786110621.

12601168770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×126011687703 (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 210019450 + ... + 210019509.

It is an arithmetic number, because the mean of its divisors is an integer number (1890175320).

Almost surely, 212601168770 is an apocalyptic number.

12601168770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12601168770 is an abundant number, since it is smaller than the sum of its proper divisors (17641636350).

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

12601168770 is a wasteful number, since it uses less digits than its factorization.

12601168770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420038969.

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 12601168770 in words is "twelve billion, six hundred one million, one hundred sixty-eight thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 420038959 840077918 1260116877 2100194795 2520233754 4200389590 6300584385 12601168770