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30264028093 = 1312971794913
BaseRepresentation
bin11100001011111000…
…000110101110111101
32220010011002220211101
4130023320012232331
5443440042344333
621523023053101
72120653665025
oct341370065675
986104086741
1030264028093
1111920289272
125a47441191
132b13ca9940
141671536a85
15bc1dce67d
hex70be06bbd

30264028093 has 8 divisors (see below), whose sum is σ = 32617177208. Its totient is φ = 27914471424.

The previous prime is 30264028087. The next prime is 30264028097. The reversal of 30264028093 is 39082046203.

It can be written as a sum of positive squares in 4 ways, for example, as 16254465049 + 14009563044 = 127493^2 + 118362^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30264028093 - 213 = 30264019901 is a prime.

It is a super-2 number, since 2×302640280932 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30264028097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880596 + ... + 914317.

It is an arithmetic number, because the mean of its divisors is an integer number (4077147151).

Almost surely, 230264028093 is an apocalyptic number.

It is an amenable number.

30264028093 is a deficient number, since it is larger than the sum of its proper divisors (2353149115).

30264028093 is a wasteful number, since it uses less digits than its factorization.

30264028093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796223.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 30264028093 in words is "thirty billion, two hundred sixty-four million, twenty-eight thousand, ninety-three".

Divisors: 1 13 1297 16861 1794913 23333869 2328002161 30264028093