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30601470551 = 174253423251
BaseRepresentation
bin11100011111111111…
…010110001001010111
32220222200001202212012
4130133333112021113
51000132434024201
622020315414435
72132222131211
oct343777261127
986880052765
1030601470551
1111a83806833
125b2045441b
132b68b87132
1416a42955b1
15be18375bb
hex71ffd6257

30601470551 has 8 divisors (see below), whose sum is σ = 32409252144. Its totient is φ = 28794544000.

The previous prime is 30601470503. The next prime is 30601470563. The reversal of 30601470551 is 15507410603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30601470551 - 210 = 30601469527 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 (30601470751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139325 + ... + 283926.

It is an arithmetic number, because the mean of its divisors is an integer number (4051156518).

Almost surely, 230601470551 is an apocalyptic number.

30601470551 is a deficient number, since it is larger than the sum of its proper divisors (1807781593).

30601470551 is a wasteful number, since it uses less digits than its factorization.

30601470551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427521.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 30601470551 in words is "thirty billion, six hundred one million, four hundred seventy thousand, five hundred fifty-one".

Divisors: 1 17 4253 72301 423251 7195267 1800086503 30601470551