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87053048315 = 5193137274027
BaseRepresentation
bin101000100010011000…
…1000001100111111011
322022200212200001101122
41101010301001213323
52411241040021230
6103554104535455
76201153462452
oct1210461014773
9268625601348
1087053048315
1133a121a3732
1214a55a8158b
13829442279c
1442db783b99
1523e77b5be5
hex1444c419fb

87053048315 has 32 divisors (see below), whose sum is σ = 110492229120. Its totient is φ = 65659486464.

The previous prime is 87053048311. The next prime is 87053048323. The reversal of 87053048315 is 51384035078.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87053048315 - 22 = 87053048311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87053048311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21615332 + ... + 21619358.

It is an arithmetic number, because the mean of its divisors is an integer number (3452882160).

Almost surely, 287053048315 is an apocalyptic number.

87053048315 is a deficient number, since it is larger than the sum of its proper divisors (23439180805).

87053048315 is a wasteful number, since it uses less digits than its factorization.

87053048315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 87053048315 in words is "eighty-seven billion, fifty-three million, forty-eight thousand, three hundred fifteen".

Divisors: 1 5 19 95 313 727 1565 3635 4027 5947 13813 20135 29735 69065 76513 227551 382565 1137755 1260451 2927629 4323469 6302255 14638145 21617345 23948569 55624951 119742845 278124755 916347877 4581739385 17410609663 87053048315