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86884991386 = 2471720753717
BaseRepresentation
bin101000011101010111…
…1111100000110011010
322022021011102212121221
41100322233330012122
52410420024211021
6103525302522254
76164043145534
oct1207257740632
9268234385557
1086884991386
1133936349006
1214a0973638a
138268670a0b
1442c3318854
1523d7b6b241
hex143abfc19a

86884991386 has 16 divisors (see below), whose sum is σ = 133110625536. Its totient is φ = 42514924816.

The previous prime is 86884991357. The next prime is 86884991387. The reversal of 86884991386 is 68319948868.

It is not an unprimeable number, because it can be changed into a prime (86884991387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590600 + ... + 1644316.

It is an arithmetic number, because the mean of its divisors is an integer number (8319414096).

Almost surely, 286884991386 is an apocalyptic number.

86884991386 is a deficient number, since it is larger than the sum of its proper divisors (46225634150).

86884991386 is a wasteful number, since it uses less digits than its factorization.

86884991386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70973.

The product of its digits is 143327232, while the sum is 70.

The spelling of 86884991386 in words is "eighty-six billion, eight hundred eighty-four million, nine hundred ninety-one thousand, three hundred eighty-six".

Divisors: 1 2 47 94 17207 34414 53717 107434 808729 1617458 2524699 5049398 924308419 1848616838 43442495693 86884991386