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129396081030 = 23531612280911
BaseRepresentation
bin111100010000010011…
…0111000000110000110
3110100222211112222112120
41320200212320012012
54110000344043110
6135235503030410
712230361353436
oct1704046700606
9410884488476
10129396081030
114a970794947
12210b259b406
13c281a36228
1463971c22c6
153574d1e870
hex1e209b8186

129396081030 has 64 divisors (see below), whose sum is σ = 325823717376. Its totient is φ = 32845104000.

The previous prime is 129396081019. The next prime is 129396081053. The reversal of 129396081030 is 30180693921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083726 + ... + 1197185.

It is an arithmetic number, because the mean of its divisors is an integer number (5090995584).

Almost surely, 2129396081030 is an apocalyptic number.

129396081030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129396081030 is an abundant number, since it is smaller than the sum of its proper divisors (196427636346).

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

129396081030 is a wasteful number, since it uses less digits than its factorization.

129396081030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281013.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 129396081030 in words is "one hundred twenty-nine billion, three hundred ninety-six million, eighty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 61 62 93 122 155 183 186 305 310 366 465 610 915 930 1830 1891 3782 5673 9455 11346 18910 28365 56730 2280911 4561822 6842733 11404555 13685466 22809110 34213665 68427330 70708241 139135571 141416482 212124723 278271142 353541205 417406713 424249446 695677855 707082410 834813426 1060623615 1391355710 2087033565 2121247230 4174067130 4313202701 8626405402 12939608103 21566013505 25879216206 43132027010 64698040515 129396081030