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38488197926165 = 513617959685773
BaseRepresentation
bin10001100000001001110110…
…10111011000110100010101
312001021102202200121101220012
420300010323113120310111
520021042312132114130
6213505122315050005
711051452265330441
oct1060047327306425
9161242680541805
1038488197926165
1111299831386a59
12439732b740905
131862563028a20
14970ba5633821
1546b27669b995
hex23013b5d8d15

38488197926165 has 16 divisors (see below), whose sum is σ = 49819207899888. Its totient is φ = 28375988906496.

The previous prime is 38488197926131. The next prime is 38488197926179. The reversal of 38488197926165 is 56162979188483.

It can be written as a sum of positive squares in 8 ways, for example, as 12816120761521 + 25672077164644 = 3579961^2 + 5066762^2 .

It is a cyclic number.

It is not a de Polignac number, because 38488197926165 - 240 = 37388686298389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479802782 + ... + 479882991.

It is an arithmetic number, because the mean of its divisors is an integer number (3113700493743).

Almost surely, 238488197926165 is an apocalyptic number.

It is an amenable number.

38488197926165 is a deficient number, since it is larger than the sum of its proper divisors (11331009973723).

38488197926165 is a wasteful number, since it uses less digits than its factorization.

38488197926165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959686408.

The product of its digits is 1254113280, while the sum is 77.

The spelling of 38488197926165 in words is "thirty-eight trillion, four hundred eighty-eight billion, one hundred ninety-seven million, nine hundred twenty-six thousand, one hundred sixty-five".

Divisors: 1 5 13 65 617 3085 8021 40105 959685773 4798428865 12475915049 62379575245 592126121941 2960630609705 7697639585233 38488197926165