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80005607040 = 273541669587
BaseRepresentation
bin100101010000010110…
…1001010111010000000
321122111201122221102010
41022200231022322000
52302322413411130
6100430513452520
75531420303442
oct1124055127200
9248451587363
1080005607040
1130a260967a7
1213609871140
137710348ca8
143c2d7d8492
152133c2a0b0
hex12a0b4ae80

80005607040 has 64 divisors (see below), whose sum is σ = 255017878560. Its totient is φ = 21334828032.

The previous prime is 80005606991. The next prime is 80005607053. The reversal of 80005607040 is 4070650008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 80005606989 and 80005607007.

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, 20832874 + ... + 20836713.

Almost surely, 280005607040 is an apocalyptic number.

80005607040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80005607040 is an abundant number, since it is smaller than the sum of its proper divisors (175012271520).

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

80005607040 is a wasteful number, since it uses less digits than its factorization.

80005607040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41669609 (or 41669597 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 80005607040 in words is "eighty billion, five million, six hundred seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 41669587 83339174 125008761 166678348 208347935 250017522 333356696 416695870 500035044 625043805 666713392 833391740 1000070088 1250087610 1333426784 1666783480 2000140176 2500175220 2666853568 3333566960 4000280352 5000350440 5333707136 6667133920 8000560704 10000700880 13334267840 16001121408 20001401760 26668535680 40002803520 80005607040