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80080004080 = 2451001000051
BaseRepresentation
bin100101010010100100…
…0111110001111110000
321122200220122200222001
41022211020332033300
52303000440112310
6100442132223344
75533312542436
oct1124510761760
9248626580861
1080080004080
1130a6409035a
121362a76ab54
137722896ccb
143c39642d56
15213a52393a
hex12a523e3f0

80080004080 has 20 divisors (see below), whose sum is σ = 186186009672. Its totient is φ = 32032001600.

The previous prime is 80080004009. The next prime is 80080004113. The reversal of 80080004080 is 8040008008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500499946 + ... + 500500105.

Almost surely, 280080004080 is an apocalyptic number.

80080004080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80080004080 is an abundant number, since it is smaller than the sum of its proper divisors (106106005592).

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

80080004080 is a wasteful number, since it uses less digits than its factorization.

80080004080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001000064 (or 1001000058 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 80080004080 in words is "eighty billion, eighty million, four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1001000051 2002000102 4004000204 5005000255 8008000408 10010000510 16016000816 20020001020 40040002040 80080004080