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58153968221 = 298893225493
BaseRepresentation
bin110110001010001111…
…110010001001011101
312120002211221200012212
4312022033302021131
51423044403440341
642414321210205
74126052400566
oct661217621135
9176084850185
1058153968221
1122732443068
12b32b790965
13563a170cab
142b5963716d
1517a56555eb
hexd8a3f225d

58153968221 has 8 divisors (see below), whose sum is σ = 60166309080. Its totient is φ = 56142096192.

The previous prime is 58153968217. The next prime is 58153968233. The reversal of 58153968221 is 12286935185.

It can be written as a sum of positive squares in 4 ways, for example, as 13607222500 + 44546745721 = 116650^2 + 211061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 58153968221 - 22 = 58153968217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58153968221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58153962221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145151 + ... + 370643.

It is an arithmetic number, because the mean of its divisors is an integer number (7520788635).

Almost surely, 258153968221 is an apocalyptic number.

It is an amenable number.

58153968221 is a deficient number, since it is larger than the sum of its proper divisors (2012340859).

58153968221 is a wasteful number, since it uses less digits than its factorization.

58153968221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234415.

The product of its digits is 1036800, while the sum is 50.

The spelling of 58153968221 in words is "fifty-eight billion, one hundred fifty-three million, nine hundred sixty-eight thousand, two hundred twenty-one".

Divisors: 1 29 8893 225493 257897 6539297 2005309249 58153968221