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80263177152 = 263418037381
BaseRepresentation
bin100101011000000001…
…1101110001111000000
321200011200022212011220
41022300003232033000
52303334333132102
6100512234235040
75540665514634
oct1126003561700
9250150285156
1080263177152
113104851aa64
121367bb85a80
13775180c242
143c55ac4dc4
15214b6571bc
hex12b00ee3c0

80263177152 has 28 divisors (see below), whose sum is σ = 212362990056. Its totient is φ = 26754392320.

The previous prime is 80263177151. The next prime is 80263177199. The reversal of 80263177152 is 25177136208.

It is a super-2 number, since 2×802631771522 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80263177151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209018499 + ... + 209018882.

It is an arithmetic number, because the mean of its divisors is an integer number (7584392502).

Almost surely, 280263177152 is an apocalyptic number.

It is an amenable number.

80263177152 is an abundant number, since it is smaller than the sum of its proper divisors (132099812904).

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

80263177152 is a wasteful number, since it uses less digits than its factorization.

80263177152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418037396 (or 418037386 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 80263177152 in words is "eighty billion, two hundred sixty-three million, one hundred seventy-seven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 418037381 836074762 1254112143 1672149524 2508224286 3344299048 5016448572 6688598096 10032897144 13377196192 20065794288 26754392384 40131588576 80263177152