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80073387394 = 271113228110949
BaseRepresentation
bin100101010010010111…
…1101110110110000010
321122200110012112120121
41022210233232312002
52302442241344034
6100441334330454
75533202364010
oct1124457566602
9248613175517
1080073387394
1130a60381120
12136284b9a2a
1377213bb400
143c387dd8b0
152139b681b4
hex12a4beed82

80073387394 has 96 divisors (see below), whose sum is σ = 162744681600. Its totient is φ = 28692518400.

The previous prime is 80073387391. The next prime is 80073387451. The reversal of 80073387394 is 49378337008.

It is a super-2 number, since 2×800733873942 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80073387391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7307832 + ... + 7318780.

It is an arithmetic number, because the mean of its divisors is an integer number (1695257100).

Almost surely, 280073387394 is an apocalyptic number.

80073387394 is an abundant number, since it is smaller than the sum of its proper divisors (82671294206).

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

80073387394 is a wasteful number, since it uses less digits than its factorization.

80073387394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276 (or 11263 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 80073387394 in words is "eighty billion, seventy-three million, three hundred eighty-seven thousand, three hundred ninety-four".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 169 182 281 286 338 562 1001 1183 1859 1967 2002 2366 3091 3653 3718 3934 6182 7306 10949 13013 21637 21898 25571 26026 40183 43274 47489 51142 76643 80366 94978 120439 142337 153286 240878 281281 284674 332423 522379 562562 664846 843073 996359 1044758 1565707 1686146 1850381 1992718 3076669 3131414 3656653 3700762 6153338 7313306 10959949 12952667 20354191 21536683 21919898 25905334 33843359 39996697 40708382 43073366 67686718 79993394 142479337 236903513 279976879 284958674 439963667 473807026 519957061 559953758 879927334 1039914122 3079745669 3639699427 5719527671 6159491338 7279398854 11439055342 40036693697 80073387394