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29155458145 = 5112330377589
BaseRepresentation
bin11011001001110011…
…001111110001100001
32210020220010201202011
4123021303033301201
5434202244130040
621221022352521
72051333206462
oct331163176141
983226121664
1029155458145
1111401550260
12579812b741
1329984182a8
1415a8206d69
15b599043ea
hex6c9ccfc61

29155458145 has 32 divisors (see below), whose sum is σ = 39844949760. Its totient is φ = 20272707840.

The previous prime is 29155458127. The next prime is 29155458169. The reversal of 29155458145 is 54185455192.

It is a de Polignac number, because none of the positive numbers 2k-29155458145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3838011 + ... + 3845599.

It is an arithmetic number, because the mean of its divisors is an integer number (1245154680).

Almost surely, 229155458145 is an apocalyptic number.

It is an amenable number.

29155458145 is a deficient number, since it is larger than the sum of its proper divisors (10689491615).

29155458145 is a wasteful number, since it uses less digits than its factorization.

29155458145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10665.

The product of its digits is 1440000, while the sum is 49.

The spelling of 29155458145 in words is "twenty-nine billion, one hundred fifty-five million, four hundred fifty-eight thousand, one hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 3037 7589 15185 33407 37945 69851 83479 167035 174547 349255 417395 768361 872735 1920017 3841805 9600085 23047793 115238965 253525723 530099239 1267628615 2650496195 5831091629 29155458145