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30640216334 = 27131071573391
BaseRepresentation
bin11100100010010011…
…001001100100001110
32221002100222021002012
4130202103021210032
51000222343410314
622024222101222
72133202353530
oct344223114416
987070867065
1030640216334
1111aa3670042
125b3141a812
132b73c01b30
1416a949d850
15be4e3c93e
hex7224c990e

30640216334 has 32 divisors (see below), whose sum is σ = 57095248896. Its totient is φ = 12008112480.

The previous prime is 30640216333. The next prime is 30640216349. The reversal of 30640216334 is 43361204603.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30640216334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30640216333) 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, 767222 + ... + 806169.

It is an arithmetic number, because the mean of its divisors is an integer number (1784226528).

Almost surely, 230640216334 is an apocalyptic number.

30640216334 is a deficient number, since it is larger than the sum of its proper divisors (26455032562).

30640216334 is a wasteful number, since it uses less digits than its factorization.

30640216334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573520.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 30640216334 in words is "thirty billion, six hundred forty million, two hundred sixteen thousand, three hundred thirty-four".

Divisors: 1 2 7 13 14 26 91 107 182 214 749 1391 1498 2782 9737 19474 1573391 3146782 11013737 20454083 22027474 40908166 143178581 168352837 286357162 336705674 1178469859 2188586881 2356939718 4377173762 15320108167 30640216334