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69868234276 = 2214928872
BaseRepresentation
bin100000100010001111…
…0001010011000100100
320200100020102001021121
41001010132022120210
52121042231444101
652032542423324
75022254123011
oct1010436123044
9220306361247
1069868234276
11276a3884585
121165a891b44
136786061279
14354b316708
151c3dc840a1
hex104478a624

69868234276 has 27 divisors (see below), whose sum is σ = 123234451249. Its totient is φ = 34660539728.

The previous prime is 69868234259. The next prime is 69868234277. The reversal of 69868234276 is 67243286896.

The square root of 69868234276 is 264326.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8185544676 + 61682689600 = 90474^2 + 248360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69868234277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78768705 + ... + 78769591.

Almost surely, 269868234276 is an apocalyptic number.

69868234276 is the 264326-th square number.

It is an amenable number.

69868234276 is a deficient number, since it is larger than the sum of its proper divisors (53366216973).

69868234276 is an frugal number, since it uses more digits than its factorization.

69868234276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 1038 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 69868234276 in words is "sixty-nine billion, eight hundred sixty-eight million, two hundred thirty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 149 298 596 887 1774 3548 22201 44402 88804 132163 264326 528652 786769 1573538 3147076 19692287 39384574 78769148 117228581 234457162 468914324 17467058569 34934117138 69868234276