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29142858931 is a prime number
BaseRepresentation
bin11011001001000011…
…001011110010110011
32210020000102121212121
4123021003023302303
5434141032441211
621215452335111
72051121133204
oct331103136263
983200377777
1029142858931
11113a542528a
125793a74497
132995926634
1415a66875ab
15b58766271
hex6c90cbcb3

29142858931 has 2 divisors, whose sum is σ = 29142858932. Its totient is φ = 29142858930.

The previous prime is 29142858907. The next prime is 29142858949. The reversal of 29142858931 is 13985824192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29142858931 - 213 = 29142850739 is a prime.

It is a super-2 number, since 2×291428589312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29142858961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571429465 + 14571429466.

It is an arithmetic number, because the mean of its divisors is an integer number (14571429466).

Almost surely, 229142858931 is an apocalyptic number.

29142858931 is a deficient number, since it is larger than the sum of its proper divisors (1).

29142858931 is an equidigital number, since it uses as much as digits as its factorization.

29142858931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 52.

The spelling of 29142858931 in words is "twenty-nine billion, one hundred forty-two million, eight hundred fifty-eight thousand, nine hundred thirty-one".