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29049109971 = 3724319124061
BaseRepresentation
bin11011000011011101…
…100011110111010011
32202222111000200110220
4123003131203313103
5433443033004341
621202303124123
72045602234500
oct330335436723
982874020426
1029049109971
1111357513302
1257685a3643
13297c39118b
1415980424a7
15b503e8a66
hex6c3763dd3

29049109971 has 48 divisors (see below), whose sum is σ = 46346876928. Its totient is φ = 16127899200.

The previous prime is 29049109951. The next prime is 29049109981. The reversal of 29049109971 is 17990194092.

It is not a de Polignac number, because 29049109971 - 210 = 29049108947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29049109931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1195281 + ... + 1219341.

It is an arithmetic number, because the mean of its divisors is an integer number (965559936).

Almost surely, 229049109971 is an apocalyptic number.

29049109971 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29049109971 is a deficient number, since it is larger than the sum of its proper divisors (17297766957).

29049109971 is a wasteful number, since it uses less digits than its factorization.

29049109971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24312 (or 24305 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 29049109971 in words is "twenty-nine billion, forty-nine million, one hundred nine thousand, nine hundred seventy-one".

Divisors: 1 3 7 21 43 49 129 147 191 301 573 903 1337 2107 4011 6321 8213 9359 24061 24639 28077 57491 72183 168427 172473 402437 505281 1034623 1178989 1207311 3103869 3536967 4595651 7242361 13786953 21727083 32169557 50696527 96508671 152089581 197612993 225186899 592838979 675560697 1383290951 4149872853 9683036657 29049109971