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29315618072 = 2313293962051
BaseRepresentation
bin11011010011010110…
…001101010100011000
32210200001111200212022
4123103112031110120
5440014244234242
621244543234012
72055316433156
oct332326152430
983601450768
1029315618072
11114839a1834
1258218a8908
1329c2663790
1415c15b83d6
15b689de0d2
hex6d358d518

29315618072 has 32 divisors (see below), whose sum is σ = 59397090480. Its totient is φ = 13484092800.

The previous prime is 29315618071. The next prime is 29315618077. The reversal of 29315618072 is 27081651392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29315618071) by changing a digit.

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, 450554 + ... + 511497.

Almost surely, 229315618072 is an apocalyptic number.

It is an amenable number.

29315618072 is an abundant number, since it is smaller than the sum of its proper divisors (30081472408).

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

29315618072 is a wasteful number, since it uses less digits than its factorization.

29315618072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962363 (or 962359 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 29315618072 in words is "twenty-nine billion, three hundred fifteen million, six hundred eighteen thousand, seventy-two".

Divisors: 1 2 4 8 13 26 52 104 293 586 1172 2344 3809 7618 15236 30472 962051 1924102 3848204 7696408 12506663 25013326 50026652 100053304 281880943 563761886 1127523772 2255047544 3664452259 7328904518 14657809036 29315618072