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29970311711 = 179167431909
BaseRepresentation
bin11011111010010111…
…101010101000011111
32212100200102120200212
4123322113222220133
5442334344433321
621433531443035
72110456306034
oct337227525037
985320376625
1029970311711
111178a50685a
125984bb647b
132a9819bc72
14164451b38b
15ba621255b
hex6fa5eaa1f

29970311711 has 4 divisors (see below), whose sum is σ = 30137743800. Its totient is φ = 29802879624.

The previous prime is 29970311689. The next prime is 29970311731. The reversal of 29970311711 is 11711307992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29970311711 - 218 = 29970049567 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 (29970311731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83715776 + ... + 83716133.

It is an arithmetic number, because the mean of its divisors is an integer number (7534435950).

Almost surely, 229970311711 is an apocalyptic number.

29970311711 is a deficient number, since it is larger than the sum of its proper divisors (167432089).

29970311711 is a wasteful number, since it uses less digits than its factorization.

29970311711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167432088.

The product of its (nonzero) digits is 23814, while the sum is 41.

The spelling of 29970311711 in words is "twenty-nine billion, nine hundred seventy million, three hundred eleven thousand, seven hundred eleven".

Divisors: 1 179 167431909 29970311711