Search a number
-
+
80940080946 = 2329465172879
BaseRepresentation
bin100101101100001100…
…1111001111100110010
321201220212001010121210
41023120121321330302
52311231130042241
6101103334500550
75563525223244
oct1133031717462
9251825033553
1080940080946
113136562488a
121382a804756
13782bb22b2a
143cbb96a094
15218acb6316
hex12d8679f32

80940080946 has 16 divisors (see below), whose sum is σ = 167462236800. Its totient is φ = 26049681168.

The previous prime is 80940080939. The next prime is 80940080971. The reversal of 80940080946 is 64908004908.

It is a junction number, because it is equal to n+sod(n) for n = 80940080895 and 80940080904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232586266 + ... + 232586613.

It is an arithmetic number, because the mean of its divisors is an integer number (10466389800).

Almost surely, 280940080946 is an apocalyptic number.

80940080946 is an abundant number, since it is smaller than the sum of its proper divisors (86522155854).

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

80940080946 is a wasteful number, since it uses less digits than its factorization.

80940080946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465172913.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 80940080946 in words is "eighty billion, nine hundred forty million, eighty thousand, nine hundred forty-six".

Divisors: 1 2 3 6 29 58 87 174 465172879 930345758 1395518637 2791037274 13490013491 26980026982 40470040473 80940080946