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29106978534 = 234179672707
BaseRepresentation
bin11011000110111010…
…010011111011100110
32210010111220201020000
4123012322103323212
5434102341303114
621212131322130
72050204143504
oct330672237346
983114821200
1029106978534
1111387148867
125783a50346
13298b372c2a
1415a19c7674
15b55529e09
hex6c6e93ee6

29106978534 has 20 divisors (see below), whose sum is σ = 65221193004. Its totient is φ = 9702326124.

The previous prime is 29106978529. The next prime is 29106978547. The reversal of 29106978534 is 43587960192.

29106978534 is a `hidden beast` number, since 2 + 9 + 10 + 6 + 97 + 8 + 534 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 89836192 + ... + 89836515.

It is a 1-persistent number, because it is pandigital, but 2⋅29106978534 = 58213957068 is not.

Almost surely, 229106978534 is an apocalyptic number.

29106978534 is an abundant number, since it is smaller than the sum of its proper divisors (36114214470).

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

29106978534 is a wasteful number, since it uses less digits than its factorization.

29106978534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179672721 (or 179672712 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 29106978534 in words is "twenty-nine billion, one hundred six million, nine hundred seventy-eight thousand, five hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 179672707 359345414 539018121 1078036242 1617054363 3234108726 4851163089 9702326178 14553489267 29106978534