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58408484485 = 5131752858357
BaseRepresentation
bin110110011001011010…
…101011111010000101
312120202120212102220011
4312121122223322011
51424110033000420
642455452310221
74135262632531
oct663132537205
9176676772804
1058408484485
112285308098a
12b3a0a72371
13567ab05230
142b8136abc1
1517bcb7c95a
hexd996abe85

58408484485 has 16 divisors (see below), whose sum is σ = 79921837296. Its totient is φ = 40595217408.

The previous prime is 58408484461. The next prime is 58408484489. The reversal of 58408484485 is 58448480485.

It can be written as a sum of positive squares in 8 ways, for example, as 3951128164 + 54457356321 = 62858^2 + 233361^2 .

It is a cyclic number.

It is not a de Polignac number, because 58408484485 - 213 = 58408476293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58408484489) 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, 26428074 + ... + 26430283.

It is an arithmetic number, because the mean of its divisors is an integer number (4995114831).

Almost surely, 258408484485 is an apocalyptic number.

It is an amenable number.

58408484485 is a deficient number, since it is larger than the sum of its proper divisors (21513352811).

58408484485 is a wasteful number, since it uses less digits than its factorization.

58408484485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52858392.

The product of its (nonzero) digits is 26214400, while the sum is 58.

The spelling of 58408484485 in words is "fifty-eight billion, four hundred eight million, four hundred eighty-four thousand, four hundred eighty-five".

Divisors: 1 5 13 17 65 85 221 1105 52858357 264291785 687158641 898592069 3435793205 4492960345 11681696897 58408484485