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29974228742 = 2171018728663
BaseRepresentation
bin11011111010100110…
…100110111100000110
32212100221210120212002
4123322212212330012
5442341400304432
621434151425302
72110534511663
oct337246467406
985327716762
1029974228742
1111791741777
125986385232
132a98c40b33
141644c5aa6a
15ba6737e62
hex6fa9a6f06

29974228742 has 16 divisors (see below), whose sum is σ = 48077481312. Its totient is φ = 13965859200.

The previous prime is 29974228733. The next prime is 29974228777. The reversal of 29974228742 is 24782247992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4360898 + ... + 4367765.

It is an arithmetic number, because the mean of its divisors is an integer number (3004842582).

Almost surely, 229974228742 is an apocalyptic number.

29974228742 is a deficient number, since it is larger than the sum of its proper divisors (18103252570).

29974228742 is a wasteful number, since it uses less digits than its factorization.

29974228742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728783.

The product of its digits is 8128512, while the sum is 56.

The spelling of 29974228742 in words is "twenty-nine billion, nine hundred seventy-four million, two hundred twenty-eight thousand, seven hundred forty-two".

Divisors: 1 2 17 34 101 202 1717 3434 8728663 17457326 148387271 296774542 881594963 1763189926 14987114371 29974228742