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80227973616 = 2437276944357
BaseRepresentation
bin100101010110111110…
…1011011100111110000
321200002020002100000020
41022231331123213300
52303301330123431
6100504535523440
75540060344500
oct1125575334760
9250066070006
1080227973616
113102a66602a
1213670229580
13774743494b
143c5115da00
152148501696
hex12adf5b9f0

80227973616 has 120 divisors (see below), whose sum is σ = 241412204880. Its totient is φ = 22891954176.

The previous prime is 80227973599. The next prime is 80227973627. The reversal of 80227973616 is 61637972208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1786510 + ... + 1830866.

It is an arithmetic number, because the mean of its divisors is an integer number (2011768374).

Almost surely, 280227973616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80227973616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120706102440).

80227973616 is an abundant number, since it is smaller than the sum of its proper divisors (161184231264).

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

80227973616 is a wasteful number, since it uses less digits than its factorization.

80227973616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45151 (or 45138 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 80227973616 in words is "eighty billion, two hundred twenty-seven million, nine hundred seventy-three thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 588 769 784 1176 1538 2307 2352 3076 4614 5383 6152 9228 10766 12304 16149 18456 21532 32298 36912 37681 43064 44357 64596 75362 86128 88714 113043 129192 133071 150724 177428 226086 258384 266142 301448 310499 354856 452172 532284 602896 620998 709712 904344 931497 1064568 1241996 1808688 1862994 2129136 2173493 2483992 3725988 4346986 4967984 6520479 7451976 8693972 13040958 14903952 17387944 26081916 34110533 34775888 52163832 68221066 102331599 104327664 136442132 204663198 238773731 272884264 409326396 477547462 545768528 716321193 818652792 955094924 1432642386 1637305584 1671416117 1910189848 2865284772 3342832234 3820379696 5014248351 5730569544 6685664468 10028496702 11461139088 13371328936 20056993404 26742657872 40113986808 80227973616