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30709088070 = 2351815655449
BaseRepresentation
bin11100100110011001…
…110111111101000110
32221021011120022100020
4130212121313331012
51000343011304240
622035122200010
72134666641003
oct344631677506
987234508306
1030709088070
1112029530431
125b504b3006
132b85266c3b
1416b46aa8aa
15beaee40d0
hex726677f46

30709088070 has 32 divisors (see below), whose sum is σ = 74109016800. Its totient is φ = 8143845120.

The previous prime is 30709088051. The next prime is 30709088071. The reversal of 30709088070 is 7088090703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30709088071) 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, 2822295 + ... + 2833154.

It is an arithmetic number, because the mean of its divisors is an integer number (2315906775).

Almost surely, 230709088070 is an apocalyptic number.

30709088070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30709088070 is an abundant number, since it is smaller than the sum of its proper divisors (43399928730).

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

30709088070 is a wasteful number, since it uses less digits than its factorization.

30709088070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655640.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 30709088070 in words is "thirty billion, seven hundred nine million, eighty-eight thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2715 5430 5655449 11310898 16966347 28277245 33932694 56554490 84831735 169663470 1023636269 2047272538 3070908807 5118181345 6141817614 10236362690 15354544035 30709088070