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29378857245 = 3511091766087
BaseRepresentation
bin11011010111000111…
…011100100100011101
32210211110111120200220
4123113013130210131
5440131441412440
621255122511553
72060015111013
oct332707344435
983743446626
1029378857245
1111506665311
12583ab055b9
132a027a5bca
1415c9b5a8b3
15b6e3318d0
hex6d71dc91d

29378857245 has 16 divisors (see below), whose sum is σ = 47048584320. Its totient is φ = 15654586304.

The previous prime is 29378857199. The next prime is 29378857259. The reversal of 29378857245 is 54275887392.

It is a cyclic number.

It is not a de Polignac number, because 29378857245 - 27 = 29378857117 is a prime.

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, 866409 + ... + 899678.

It is an arithmetic number, because the mean of its divisors is an integer number (2940536520).

Almost surely, 229378857245 is an apocalyptic number.

It is an amenable number.

29378857245 is a deficient number, since it is larger than the sum of its proper divisors (17669727075).

29378857245 is a wasteful number, since it uses less digits than its factorization.

29378857245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767204.

The product of its digits is 33868800, while the sum is 60.

The spelling of 29378857245 in words is "twenty-nine billion, three hundred seventy-eight million, eight hundred fifty-seven thousand, two hundred forty-five".

Divisors: 1 3 5 15 1109 3327 5545 16635 1766087 5298261 8830435 26491305 1958590483 5875771449 9792952415 29378857245