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30519143155 = 517359048743
BaseRepresentation
bin11100011011000101…
…010010101011110011
32220202221011002220101
4130123011102223303
51000000400040110
622004215053231
72130202302514
oct343305225363
986687132811
1030519143155
1111a41295a66
125ab8971217
132b54ac05b7
141697384a0b
15bd94c413a
hex71b152af3

30519143155 has 8 divisors (see below), whose sum is σ = 38777264352. Its totient is φ = 22979119488.

The previous prime is 30519143131. The next prime is 30519143173. The reversal of 30519143155 is 55134191503.

It is a happy number.

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 30519143155 - 213 = 30519134963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179524287 + ... + 179524456.

It is an arithmetic number, because the mean of its divisors is an integer number (4847158044).

Almost surely, 230519143155 is an apocalyptic number.

30519143155 is a deficient number, since it is larger than the sum of its proper divisors (8258121197).

30519143155 is a wasteful number, since it uses less digits than its factorization.

30519143155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359048765.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 30519143155 in words is "thirty billion, five hundred nineteen million, one hundred forty-three thousand, one hundred fifty-five".

Divisors: 1 5 17 85 359048743 1795243715 6103828631 30519143155