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30055511013 = 3112974092087
BaseRepresentation
bin11011111111011100…
…101011001111100101
32212120121202011011120
4123333130223033211
5443023202323023
621450213524153
72112542425353
oct337734531745
985517664146
1030055511013
1111823609300
1259a9643659
132aaca2ca58
1416519787d3
15bad9418e3
hex6ff72b3e5

30055511013 has 48 divisors (see below), whose sum is σ = 44632586880. Its totient is φ = 17974978560.

The previous prime is 30055510993. The next prime is 30055511023. The reversal of 30055511013 is 31011555003.

It is not a de Polignac number, because 30055511013 - 212 = 30055506917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055511023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14400256 + ... + 14402342.

It is an arithmetic number, because the mean of its divisors is an integer number (929845560).

Almost surely, 230055511013 is an apocalyptic number.

30055511013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30055511013 is a deficient number, since it is larger than the sum of its proper divisors (14577075867).

30055511013 is a wasteful number, since it uses less digits than its factorization.

30055511013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 24.

The spelling of 30055511013 in words is "thirty billion, fifty-five million, five hundred eleven thousand, thirteen".

Divisors: 1 3 11 33 97 121 291 363 409 1067 1227 2087 3201 4499 6261 11737 13497 22957 35211 39673 49489 68871 119019 148467 202439 252527 436403 607317 757581 853583 1309209 2226829 2560749 4800433 6680487 9389413 14401299 24495119 28168239 73485357 82797551 103283543 248392653 309850629 910773061 2732319183 10018503671 30055511013