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80007483478 = 21325920032
BaseRepresentation
bin100101010000011010…
…0010101000001010110
321122111212012021101211
41022200310111001112
52302323403432403
6100431022012034
75531442250216
oct1124064250126
9248455167354
1080007483478
1130a2715857a
121360a41701a
137710855100
143c2db66246
152133e9b06d
hex12a0d15056

80007483478 has 36 divisors (see below), whose sum is σ = 132221588220. Its totient is φ = 36282534288.

The previous prime is 80007483473. The next prime is 80007483499. The reversal of 80007483478 is 87438470008.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80007483473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39942825 + ... + 39944827.

It is an arithmetic number, because the mean of its divisors is an integer number (3672821895).

Almost surely, 280007483478 is an apocalyptic number.

80007483478 is a deficient number, since it is larger than the sum of its proper divisors (52214104742).

80007483478 is an equidigital number, since it uses as much as digits as its factorization.

80007483478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 80007483478 in words is "eighty billion, seven million, four hundred eighty-three thousand, four hundred seventy-eight".

Divisors: 1 2 13 26 59 118 169 338 767 1534 2003 4006 9971 19942 26039 52078 118177 236354 338507 677014 1536301 3072602 4012009 8024018 19971913 39943826 52156117 104312234 236708531 473417062 678029521 1356059042 3077210903 6154421806 40003741739 80007483478