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29680723395 = 325673980047
BaseRepresentation
bin11011101001000110…
…111110010111000011
32211121111111222012200
4123221012332113003
5441241231122040
621345104524243
72100341662161
oct335106762703
984544458180
1029680723395
1111650aa3874
125904020683
132a501a822b
141617c98231
15b8aaad630
hex6e91be5c3

29680723395 has 24 divisors (see below), whose sum is σ = 51523083456. Its totient is φ = 15806181888.

The previous prime is 29680723393. The next prime is 29680723417. The reversal of 29680723395 is 59332708692.

It is a happy number.

It is not a de Polignac number, because 29680723395 - 21 = 29680723393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29680723393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459739 + ... + 520308.

It is an arithmetic number, because the mean of its divisors is an integer number (2146795144).

Almost surely, 229680723395 is an apocalyptic number.

29680723395 is a deficient number, since it is larger than the sum of its proper divisors (21842360061).

29680723395 is a wasteful number, since it uses less digits than its factorization.

29680723395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980731 (or 980728 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 29680723395 in words is "twenty-nine billion, six hundred eighty million, seven hundred twenty-three thousand, three hundred ninety-five".

Divisors: 1 3 5 9 15 45 673 2019 3365 6057 10095 30285 980047 2940141 4900235 8820423 14700705 44102115 659571631 1978714893 3297858155 5936144679 9893574465 29680723395