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86429371580 = 2255381537143
BaseRepresentation
bin101000001111110010…
…1111000110010111100
322021002102002222202022
41100133211320302330
52404001404342310
6103412145215312
76146541352106
oct1203745706274
9267072088668
1086429371580
1133722144112
1214901031538
1381c51570b6
14427c9d6576
1523acb6ca55
hex141f978cbc

86429371580 has 24 divisors (see below), whose sum is σ = 184926242592. Its totient is φ = 33919451072.

The previous prime is 86429371571. The next prime is 86429371583. The reversal of 86429371580 is 8517392468.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86429371583) 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, 40767512 + ... + 40769631.

It is an arithmetic number, because the mean of its divisors is an integer number (7705260108).

It is a 1-persistent number, because it is pandigital, but 2⋅86429371580 = 172858743160 is not.

Almost surely, 286429371580 is an apocalyptic number.

It is an amenable number.

86429371580 is an abundant number, since it is smaller than the sum of its proper divisors (98496871012).

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

86429371580 is a wasteful number, since it uses less digits than its factorization.

86429371580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81537205 (or 81537203 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 86429371580 in words is "eighty-six billion, four hundred twenty-nine million, three hundred seventy-one thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 81537143 163074286 326148572 407685715 815371430 1630742860 4321468579 8642937158 17285874316 21607342895 43214685790 86429371580