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82869582719 = 7111237870031
BaseRepresentation
bin100110100101101101…
…0010111101101111111
321220220022201222110102
41031023122113231333
52324204103121334
6102023022431315
75662404554660
oct1151332275577
9256808658412
1082869582719
11321657a0050
1214088a3253b
137a787b5961
144021d13367
1522503a067e
hex134b697b7f

82869582719 has 16 divisors (see below), whose sum is σ = 103401563136. Its totient is φ = 64521424800.

The previous prime is 82869582701. The next prime is 82869582737. The reversal of 82869582719 is 91728596828.

It is an interprime number because it is at equal distance from previous prime (82869582701) and next prime (82869582737).

It is not a de Polignac number, because 82869582719 - 228 = 82601147263 is a prime.

It is a super-2 number, since 2×828695827192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82869582779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339767 + ... + 530264.

It is an arithmetic number, because the mean of its divisors is an integer number (6462597696).

Almost surely, 282869582719 is an apocalyptic number.

82869582719 is a deficient number, since it is larger than the sum of its proper divisors (20531980417).

82869582719 is a wasteful number, since it uses less digits than its factorization.

82869582719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871286.

The product of its digits is 34836480, while the sum is 65.

The spelling of 82869582719 in words is "eighty-two billion, eight hundred sixty-nine million, five hundred eighty-two thousand, seven hundred nineteen".

Divisors: 1 7 11 77 1237 8659 13607 95249 870031 6090217 9570341 66992387 1076228347 7533598429 11838511817 82869582719