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30516276243 = 310172092081
BaseRepresentation
bin11100011010111010…
…010110110000010011
32220202201202110020110
4130122322112300103
5444444131314433
622004033412403
72130136032255
oct343272266023
986681673213
1030516276243
1111a3a708012
125ab7a0a103
132b543286bb
141696c39cd5
15bd9109963
hex71ae96c13

30516276243 has 4 divisors (see below), whose sum is σ = 40688368328. Its totient is φ = 20344184160.

The previous prime is 30516276221. The next prime is 30516276269. The reversal of 30516276243 is 34267261503.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30516276243 - 25 = 30516276211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30516276293) 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, 5086046038 + ... + 5086046043.

It is an arithmetic number, because the mean of its divisors is an integer number (10172092082).

Almost surely, 230516276243 is an apocalyptic number.

30516276243 is a deficient number, since it is larger than the sum of its proper divisors (10172092085).

30516276243 is a wasteful number, since it uses less digits than its factorization.

30516276243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172092084.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 30516276243 in words is "thirty billion, five hundred sixteen million, two hundred seventy-six thousand, two hundred forty-three".

Divisors: 1 3 10172092081 30516276243