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80844840448 = 29157900079
BaseRepresentation
bin100101101001010111…
…0100101111000000000
321201200012211102012221
41023102232211320000
52311032234343243
6101050053300424
75561260543201
oct1132256457000
9251605742187
1080844840448
1131316894229
1213802934714
1378151877c8
143cad0575a8
152182751bed
hex12d2ba5e00

80844840448 has 20 divisors (see below), whose sum is σ = 161531781840. Its totient is φ = 40422419968.

The previous prime is 80844840431. The next prime is 80844840473. The reversal of 80844840448 is 84404844808.

It is a junction number, because it is equal to n+sod(n) for n = 80844840395 and 80844840404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78949528 + ... + 78950551.

It is an arithmetic number, because the mean of its divisors is an integer number (8076589092).

Almost surely, 280844840448 is an apocalyptic number.

It is an amenable number.

80844840448 is a deficient number, since it is larger than the sum of its proper divisors (80686941392).

80844840448 is an equidigital number, since it uses as much as digits as its factorization.

80844840448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157900097 (or 157900081 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 80844840448 in words is "eighty billion, eight hundred forty-four million, eight hundred forty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 157900079 315800158 631600316 1263200632 2526401264 5052802528 10105605056 20211210112 40422420224 80844840448