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30552903971 is a prime number
BaseRepresentation
bin11100011101000110…
…000101000100100011
32220212021200100000222
4130131012011010203
51000033020411341
622011422433255
72131062253532
oct343506050443
986767610028
1030552903971
1111a59354a67
125b0813282b
132b5bab1305
14169ba52319
15bdc44244b
hex71d185123

30552903971 has 2 divisors, whose sum is σ = 30552903972. Its totient is φ = 30552903970.

The previous prime is 30552903947. The next prime is 30552903973. The reversal of 30552903971 is 17930925503.

It is a strong prime.

It is an emirp because it is prime and its reverse (17930925503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30552903971 - 218 = 30552641827 is a prime.

It is a super-2 number, since 2×305529039712 (a number of 22 digits) contains 22 as substring.

Together with 30552903973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30552903973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15276451985 + 15276451986.

It is an arithmetic number, because the mean of its divisors is an integer number (15276451986).

Almost surely, 230552903971 is an apocalyptic number.

30552903971 is a deficient number, since it is larger than the sum of its proper divisors (1).

30552903971 is an equidigital number, since it uses as much as digits as its factorization.

30552903971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 255150, while the sum is 44.

The spelling of 30552903971 in words is "thirty billion, five hundred fifty-two million, nine hundred three thousand, nine hundred seventy-one".