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30552051623 = 191608002717
BaseRepresentation
bin11100011101000010…
…110100111110100111
32220212020002000211112
4130131002310332213
51000032311122443
622011352255235
72131052103542
oct343502647647
986766060745
1030552051623
1111a58922645
125b079a151b
132b5b873372
14169b8ad859
15bdc324b18
hex71d0b4fa7

30552051623 has 4 divisors (see below), whose sum is σ = 32160054360. Its totient is φ = 28944048888.

The previous prime is 30552051617. The next prime is 30552051637. The reversal of 30552051623 is 32615025503.

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 30552051623 - 28 = 30552051367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30552051623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30512051623) 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, 804001340 + ... + 804001377.

It is an arithmetic number, because the mean of its divisors is an integer number (8040013590).

Almost surely, 230552051623 is an apocalyptic number.

30552051623 is a deficient number, since it is larger than the sum of its proper divisors (1608002737).

30552051623 is a wasteful number, since it uses less digits than its factorization.

30552051623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608002736.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 30552051623 in words is "thirty billion, five hundred fifty-two million, fifty-one thousand, six hundred twenty-three".

Divisors: 1 19 1608002717 30552051623