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30772646188 = 2240031921849
BaseRepresentation
bin11100101010001100…
…010101000100101100
32221102121011101200121
4130222030111010230
51001010244134223
622045312334324
72136401114434
oct345214250454
987377141617
1030772646188
11120613a15a9
125b698443a4
132b9548b5ab
1416bccd32c4
15c0189b15d
hex72a31512c

30772646188 has 12 divisors (see below), whose sum is σ = 53865611800. Its totient is φ = 15382471392.

The previous prime is 30772646153. The next prime is 30772646189. The reversal of 30772646188 is 88164627703.

It is not an unprimeable number, because it can be changed into a prime (30772646189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944913 + ... + 976936.

Almost surely, 230772646188 is an apocalyptic number.

It is an amenable number.

30772646188 is a deficient number, since it is larger than the sum of its proper divisors (23092965612).

30772646188 is a wasteful number, since it uses less digits than its factorization.

30772646188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925856 (or 1925854 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 30772646188 in words is "thirty billion, seven hundred seventy-two million, six hundred forty-six thousand, one hundred eighty-eight".

Divisors: 1 2 4 4003 8006 16012 1921849 3843698 7687396 7693161547 15386323094 30772646188