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73838617332817 = 172925164623161
BaseRepresentation
bin10000110010011111100100…
…100011101000110001010001
3100200102220101012100112221011
4100302133210203220301101
534134232442014122232
6421012554214530521
721360443525430241
oct2062374443506121
9320386335315834
1073838617332817
1121588866574287
128346503666a41
133227c4ac7545c
141433b457b1b21
15880aa2944547
hex4327e48e8c51

73838617332817 has 12 divisors (see below), whose sum is σ = 80970961933836. Its totient is φ = 67098784094720.

The previous prime is 73838617332811. The next prime is 73838617332829. The reversal of 73838617332817 is 71823371683837.

It can be written as a sum of positive squares in 6 ways, for example, as 360392256 + 73838256940561 = 18984^2 + 8592919^2 .

It is not a de Polignac number, because 73838617332817 - 243 = 65042524310609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73838617332811) 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, 2582297284 + ... + 2582325877.

It is an arithmetic number, because the mean of its divisors is an integer number (6747580161153).

Almost surely, 273838617332817 is an apocalyptic number.

It is an amenable number.

73838617332817 is a deficient number, since it is larger than the sum of its proper divisors (7132344601019).

73838617332817 is a wasteful number, since it uses less digits than its factorization.

73838617332817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164623236 (or 5164623207 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 67.

The spelling of 73838617332817 in words is "seventy-three trillion, eight hundred thirty-eight billion, six hundred seventeen million, three hundred thirty-two thousand, eight hundred seventeen".

Divisors: 1 17 29 493 841 14297 5164623161 87798593737 149774071669 2546159218373 4343448078401 73838617332817