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78822763058 = 2132152712
BaseRepresentation
bin100100101101000110…
…0111110101000110010
321112110021221020111202
41021122030332220302
52242412111404213
6100113301211202
75460205300634
oct1113214765062
9245407836452
1078822763058
1130479438596
1213339700b02
137582280600
143b5a692a54
1520b4e7cb58
hex125a33ea32

78822763058 has 18 divisors (see below), whose sum is σ = 128037073437. Its totient is φ = 36377354520.

The previous prime is 78822763043. The next prime is 78822763081. The reversal of 78822763058 is 85036722887.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67395794449 + 11426968609 = 259607^2 + 106897^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=198523.

It is a super-3 number, since 3×788227630583 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 78822762994 and 78822763012.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5153963 + ... + 5169233.

Almost surely, 278822763058 is an apocalyptic number.

78822763058 is a deficient number, since it is larger than the sum of its proper divisors (49214310379).

78822763058 is an frugal number, since it uses more digits than its factorization.

78822763058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30570 (or 15286 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 78822763058 in words is "seventy-eight billion, eight hundred twenty-two million, seven hundred sixty-three thousand, fifty-eight".

Divisors: 1 2 13 26 169 338 15271 30542 198523 397046 2580799 5161598 233203441 466406882 3031644733 6063289466 39411381529 78822763058