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30528308361306 = 2373293922066987
BaseRepresentation
bin1101111000011111011001…
…11110011011100001011010
311000002110220022002020001210
412330033230332123201122
513000133433420030211
6144532302232523550
76300411640355310
oct674175476334132
9130073808066053
1030528308361306
1197aaa8a220378
1235107108505b6
131405a65342572
147778140ac0b0
1537e1a0c849a6
hex1bc3ecf9b85a

30528308361306 has 32 divisors (see below), whose sum is σ = 69781112133120. Its totient is φ = 8722108618416.

The previous prime is 30528308361269. The next prime is 30528308361307. The reversal of 30528308361306 is 60316380382503.

It is a super-2 number, since 2×305283083613062 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30528308361307) 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, 9650056 + ... + 12416931.

It is an arithmetic number, because the mean of its divisors is an integer number (2180659754160).

Almost surely, 230528308361306 is an apocalyptic number.

30528308361306 is an abundant number, since it is smaller than the sum of its proper divisors (39252803771814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30528308361306 is a wasteful number, since it uses less digits than its factorization.

30528308361306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099938.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 30528308361306 in words is "thirty trillion, five hundred twenty-eight billion, three hundred eight million, three hundred sixty-one thousand, three hundred six".

Divisors: 1 2 3 6 7 14 21 42 32939 65878 98817 197634 230573 461146 691719 1383438 22066987 44133974 66200961 132401922 154468909 308937818 463406727 926813454 726864484793 1453728969586 2180593454379 4361186908758 5088051393551 10176102787102 15264154180653 30528308361306