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30558003085 = 531400749201
BaseRepresentation
bin11100011101011001…
…100001111110001101
32220212122021101201001
4130131121201332031
51000040322044320
622012124020301
72131153512001
oct343531417615
986778241631
1030558003085
1111a61218005
125b09991691
132b5cb7823c
14169c5bc701
15bdcaed20a
hex71d661f8d

30558003085 has 16 divisors (see below), whose sum is σ = 37862710272. Its totient is φ = 23651424000.

The previous prime is 30558003083. The next prime is 30558003103. The reversal of 30558003085 is 58030085503.

It is not a de Polignac number, because 30558003085 - 21 = 30558003083 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 (30558003083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596485 + ... + 645685.

It is an arithmetic number, because the mean of its divisors is an integer number (2366419392).

Almost surely, 230558003085 is an apocalyptic number.

It is an amenable number.

30558003085 is a deficient number, since it is larger than the sum of its proper divisors (7304707187).

30558003085 is a wasteful number, since it uses less digits than its factorization.

30558003085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53244.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 30558003085 its reverse (58030085503), we get a palindrome (88588088588).

The spelling of 30558003085 in words is "thirty billion, five hundred fifty-eight million, three thousand, eighty-five".

Divisors: 1 5 31 155 4007 20035 49201 124217 246005 621085 1525231 7626155 197148407 985742035 6111600617 30558003085