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29149259237 = 771112951949
BaseRepresentation
bin11011001001011011…
…100110010111100101
32210020110110210102222
4123021123212113211
5434144202243422
621220241442125
72051226421040
oct331133462745
983213423388
1029149259237
11113a8aa699a
125796040345
1329970578b7
1415a7471c57
15b590cc842
hex6c96e65e5

29149259237 has 16 divisors (see below), whose sum is σ = 33813216000. Its totient is φ = 24610884480.

The previous prime is 29149259197. The next prime is 29149259299. The reversal of 29149259237 is 73295294192.

It is not a de Polignac number, because 29149259237 - 218 = 29148997093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29109259237) 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, 535139 + ... + 587087.

It is an arithmetic number, because the mean of its divisors is an integer number (2113326000).

Almost surely, 229149259237 is an apocalyptic number.

It is an amenable number.

29149259237 is a deficient number, since it is larger than the sum of its proper divisors (4663956763).

29149259237 is a wasteful number, since it uses less digits than its factorization.

29149259237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53156.

The product of its digits is 2449440, while the sum is 53.

The spelling of 29149259237 in words is "twenty-nine billion, one hundred forty-nine million, two hundred fifty-nine thousand, two hundred thirty-seven".

Divisors: 1 7 71 497 1129 7903 51949 80159 363643 561113 3688379 25818653 58650421 410552947 4164179891 29149259237