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80406020219 = 7196110396221
BaseRepresentation
bin100101011100010010…
…0101000000001111011
321200112122010001000212
41022320210220001323
52304132420121334
6100534340021335
75544351616010
oct1127044500173
9250478101025
1080406020219
1131111114088
12136bb99184b
1377752a3675
143c6aa69707
152158e70ece
hex12b892807b

80406020219 has 32 divisors (see below), whose sum is σ = 99270312960. Its totient is φ = 63597571200.

The previous prime is 80406020207. The next prime is 80406020237. The reversal of 80406020219 is 91202060408.

It is a cyclic number.

It is not a de Polignac number, because 80406020219 - 232 = 76111052923 is a prime.

It is a super-2 number, since 2×804060202192 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80406020119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 787529 + ... + 883749.

It is an arithmetic number, because the mean of its divisors is an integer number (3102197280).

Almost surely, 280406020219 is an apocalyptic number.

80406020219 is a deficient number, since it is larger than the sum of its proper divisors (18864292741).

80406020219 is a wasteful number, since it uses less digits than its factorization.

80406020219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96411.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 80406020219 in words is "eighty billion, four hundred six million, twenty thousand, two hundred nineteen".

Divisors: 1 7 19 61 103 133 427 721 1159 1957 6283 8113 13699 43981 96221 119377 673547 835639 1828199 5869481 9910763 12797393 41086367 69375341 111520139 188304497 604556543 780640973 1318131479 4231895801 11486574317 80406020219