Search a number
-
+
86429870793 = 3271371902711
BaseRepresentation
bin101000001111110011…
…1110010101011001001
322021002110001100112200
41100133213302223021
52404002021331133
6103412204030413
76146545531410
oct1203747625311
9267073040480
1086429870793
1133722455192
1214901232409
1381c52a03a6
14427cac6477
1523acc1a913
hex141f9f2ac9

86429870793 has 12 divisors (see below), whose sum is σ = 142677882048. Its totient is φ = 49388497560.

The previous prime is 86429870771. The next prime is 86429870801. The reversal of 86429870793 is 39707892468.

It is not a de Polignac number, because 86429870793 - 28 = 86429870537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1371902711 = 86429870793 / (8 + 6 + 4 + 2 + 9 + 8 + 7 + 0 + 7 + 9 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 86429870793.

It is not an unprimeable number, because it can be changed into a prime (86429871793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685951293 + ... + 685951418.

It is an arithmetic number, because the mean of its divisors is an integer number (11889823504).

Almost surely, 286429870793 is an apocalyptic number.

It is an amenable number.

86429870793 is a deficient number, since it is larger than the sum of its proper divisors (56248011255).

86429870793 is a wasteful number, since it uses less digits than its factorization.

86429870793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371902724 (or 1371902721 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 86429870793 in words is "eighty-six billion, four hundred twenty-nine million, eight hundred seventy thousand, seven hundred ninety-three".

Divisors: 1 3 7 9 21 63 1371902711 4115708133 9603318977 12347124399 28809956931 86429870793