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29727250020 = 22335134234651
BaseRepresentation
bin11011101011111000…
…011101011001100100
32211201202001202202000
4123223320131121210
5441340134000040
621353450045300
72101445312256
oct335370353144
984652052660
1029727250020
1111675291a26
125917719830
132a59a18690
141620129cd6
15b8ebee130
hex6ebe1d664

29727250020 has 96 divisors (see below), whose sum is σ = 99599015040. Its totient is φ = 7317475200.

The previous prime is 29727250001. The next prime is 29727250027. The reversal of 29727250020 is 2005272792.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (29727250027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110306 + ... + 2124345.

It is an arithmetic number, because the mean of its divisors is an integer number (1037489740).

Almost surely, 229727250020 is an apocalyptic number.

29727250020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29727250020 is an abundant number, since it is smaller than the sum of its proper divisors (69871765020).

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

29727250020 is a wasteful number, since it uses less digits than its factorization.

29727250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234682 (or 4234674 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 29727250020 in words is "twenty-nine billion, seven hundred twenty-seven million, two hundred fifty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 351 390 468 540 585 702 780 1170 1404 1755 2340 3510 7020 4234651 8469302 12703953 16938604 21173255 25407906 38111859 42346510 50815812 55050463 63519765 76223718 84693020 110100926 114335577 127039530 152447436 165151389 190559295 220201852 228671154 254079060 275252315 330302778 381118590 457342308 495454167 550504630 571677885 660605556 762237180 825756945 990908334 1101009260 1143355770 1486362501 1651513890 1981816668 2286711540 2477270835 2972725002 3303027780 4954541670 5945450004 7431812505 9909083340 14863625010 29727250020