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30555513331 = 716336777283
BaseRepresentation
bin11100011101010000…
…000010000111110011
32220212110120220101221
4130131100002013303
51000034202411311
622011554405511
72131123402150
oct343520020763
986773526357
1030555513331
1111a5a877462
125b08b90897
132b5c4b5c05
14169c131227
15bdc7aa671
hex71d4021f3

30555513331 has 16 divisors (see below), whose sum is σ = 35149204224. Its totient is φ = 26019110304.

The previous prime is 30555513277. The next prime is 30555513337. The reversal of 30555513331 is 13331555503.

It is a cyclic number.

It is not a de Polignac number, because 30555513331 - 229 = 30018642419 is a prime.

It is a super-2 number, since 2×305555133312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30555513337) 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, 4191816 + ... + 4199098.

It is an arithmetic number, because the mean of its divisors is an integer number (2196825264).

Almost surely, 230555513331 is an apocalyptic number.

30555513331 is a deficient number, since it is larger than the sum of its proper divisors (4593690893).

30555513331 is a wasteful number, since it uses less digits than its factorization.

30555513331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130.

The product of its (nonzero) digits is 50625, while the sum is 34.

The spelling of 30555513331 in words is "thirty billion, five hundred fifty-five million, five hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 7 163 1141 3677 7283 25739 50981 599351 1187129 4195457 8309903 26779591 187457137 4365073333 30555513331