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3081503305 = 57113216571
BaseRepresentation
bin1011011110101100…
…0000001001001001
321221202101120212001
42313223000021021
522302331101210
61225435151001
7136235226436
oct26753001111
97852346761
103081503305
111341479051
1271bba5461
133a154cc4a
14213380b8d
151307e303a
hexb7ac0249

3081503305 has 16 divisors (see below), whose sum is σ = 3753295488. Its totient is φ = 2428272000.

The previous prime is 3081503287. The next prime is 3081503363. The reversal of 3081503305 is 5033051803.

It is not a de Polignac number, because 3081503305 - 25 = 3081503273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465670 + ... + 472240.

It is an arithmetic number, because the mean of its divisors is an integer number (234580968).

Almost surely, 23081503305 is an apocalyptic number.

It is an amenable number.

3081503305 is a deficient number, since it is larger than the sum of its proper divisors (671792183).

3081503305 is a wasteful number, since it uses less digits than its factorization.

3081503305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3081503305 is about 55511.2898877336. The cubic root of 3081503305 is about 1455.1939460332.

The spelling of 3081503305 in words is "three billion, eighty-one million, five hundred three thousand, three hundred five".

Divisors: 1 5 71 355 1321 6571 6605 32855 93791 466541 468955 2332705 8680291 43401455 616300661 3081503305