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129482941830 = 23511392372551
BaseRepresentation
bin111100010010111001…
…0001110010110000110
3110101012212222222011020
41320211302032112012
54110140113114310
6135252244452010
712232464563064
oct1704562162606
9411185888136
10129482941830
114aa05821730
12211176aa006
13c296a29358
1463a4953034
15357c77b170
hex1e25c8e586

129482941830 has 32 divisors (see below), whose sum is σ = 339009884928. Its totient is φ = 31389804000.

The previous prime is 129482941811. The next prime is 129482941831. The reversal of 129482941830 is 38149284921.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129482941831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196185946 + ... + 196186605.

It is an arithmetic number, because the mean of its divisors is an integer number (10594058904).

Almost surely, 2129482941830 is an apocalyptic number.

129482941830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129482941830 is an abundant number, since it is smaller than the sum of its proper divisors (209526943098).

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

129482941830 is a wasteful number, since it uses less digits than its factorization.

129482941830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392372572.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 129482941830 in words is "one hundred twenty-nine billion, four hundred eighty-two million, nine hundred forty-one thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 392372551 784745102 1177117653 1961862755 2354235306 3923725510 4316098061 5885588265 8632196122 11771176530 12948294183 21580490305 25896588366 43160980610 64741470915 129482941830