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29253153820 = 22511153186851
BaseRepresentation
bin11011001111100111…
…111011010000011100
32210111200222012000111
4123033213323100130
5434402301410240
621234432335404
72053630463512
oct331747732034
983450865014
1029253153820
1111451708490
1258049a4564
1329b2732c97
1415b71984b2
15b632a11ea
hex6cf9fb41c

29253153820 has 48 divisors (see below), whose sum is σ = 67060861056. Its totient is φ = 10630440000.

The previous prime is 29253153799. The next prime is 29253153833. The reversal of 29253153820 is 2835135292.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293395 + ... + 380245.

It is an arithmetic number, because the mean of its divisors is an integer number (1397101272).

Almost surely, 229253153820 is an apocalyptic number.

29253153820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29253153820 is an abundant number, since it is smaller than the sum of its proper divisors (37807707236).

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

29253153820 is a wasteful number, since it uses less digits than its factorization.

29253153820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88402 (or 88400 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 29253153820 in words is "twenty-nine billion, two hundred fifty-three million, one hundred fifty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1531 3062 6124 7655 15310 16841 30620 33682 67364 84205 86851 168410 173702 336820 347404 434255 868510 955361 1737020 1910722 3821444 4776805 9553610 19107220 132968881 265937762 531875524 664844405 1329688810 1462657691 2659377620 2925315382 5850630764 7313288455 14626576910 29253153820