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29118965320 = 2354353319427
BaseRepresentation
bin11011000111101000…
…000010011001001000
32210011100110201000001
4123013220002121020
5434113423342240
621213240252344
72050411056424
oct330750023110
983140421001
1029118965320
11113929956a5
125787a710b4
1329909abbc3
1415a3427b84
15b565e689a
hex6c7a02648

29118965320 has 64 divisors (see below), whose sum is σ = 68306483520. Its totient is φ = 11162022144.

The previous prime is 29118965233. The next prime is 29118965327. The reversal of 29118965320 is 2356981192.

It is not an unprimeable number, because it can be changed into a prime (29118965327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68554 + ... + 250873.

It is an arithmetic number, because the mean of its divisors is an integer number (1067288805).

Almost surely, 229118965320 is an apocalyptic number.

29118965320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29118965320 is an abundant number, since it is smaller than the sum of its proper divisors (39187518200).

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

29118965320 is a wasteful number, since it uses less digits than its factorization.

29118965320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319534 (or 319530 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 29118965320 in words is "twenty-nine billion, one hundred eighteen million, nine hundred sixty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 53 86 106 172 212 215 265 344 424 430 530 860 1060 1720 2120 2279 4558 9116 11395 18232 22790 45580 91160 319427 638854 1277708 1597135 2555416 3194270 6388540 12777080 13735361 16929631 27470722 33859262 54941444 67718524 68676805 84648155 109882888 135437048 137353610 169296310 274707220 338592620 549414440 677185240 727974133 1455948266 2911896532 3639870665 5823793064 7279741330 14559482660 29118965320