Search a number
-
+
68002220072 = 2323369577283
BaseRepresentation
bin111111010101001111…
…111000100000101000
320111112012011201000102
4333111033320200220
52103232032020242
651123443324532
74625105222243
oct772517704050
9214465151012
1068002220072
1126926531486
1211219980748
136549599957
14341157825a
151b8003ae32
hexfd53f8828

68002220072 has 16 divisors (see below), whose sum is σ = 133047822240. Its totient is φ = 32522800816.

The previous prime is 68002220063. The next prime is 68002220113. The reversal of 68002220072 is 27002220086.

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 3 ways as a sum of consecutive naturals, for example, 184788458 + ... + 184788825.

It is an arithmetic number, because the mean of its divisors is an integer number (8315488890).

Almost surely, 268002220072 is an apocalyptic number.

It is an amenable number.

68002220072 is a deficient number, since it is larger than the sum of its proper divisors (65045602168).

68002220072 is a wasteful number, since it uses less digits than its factorization.

68002220072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369577312 (or 369577308 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 68002220072 in words is "sixty-eight billion, two million, two hundred twenty thousand, seventy-two".

Divisors: 1 2 4 8 23 46 92 184 369577283 739154566 1478309132 2956618264 8500277509 17000555018 34001110036 68002220072