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4272455556 = 2232118679321
BaseRepresentation
bin1111111010101000…
…0111111110000100
3102000202101020012200
43332222013332010
532222222034211
61543541314500
7210606162435
oct37652077604
912022336180
104272455556
1118a2765106
129b2a05a30
135311c7115
142c75d748c
151a0142b56
hexfea87f84

4272455556 has 18 divisors (see below), whose sum is σ = 10799818302. Its totient is φ = 1424151840.

The previous prime is 4272455491. The next prime is 4272455567. The reversal of 4272455556 is 6555542724.

4272455556 is a `hidden beast` number, since 4 + 27 + 24 + 55 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2268997956 + 2003457600 = 47634^2 + 44760^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59339625 + ... + 59339696.

Almost surely, 24272455556 is an apocalyptic number.

It is an amenable number.

4272455556 is an abundant number, since it is smaller than the sum of its proper divisors (6527362746).

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

4272455556 is a wasteful number, since it uses less digits than its factorization.

4272455556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118679331 (or 118679326 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 45.

The square root of 4272455556 is about 65364.0234073760. The cubic root of 4272455556 is about 1622.6537255413.

The spelling of 4272455556 in words is "four billion, two hundred seventy-two million, four hundred fifty-five thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 118679321 237358642 356037963 474717284 712075926 1068113889 1424151852 2136227778 4272455556