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87349629541 = 4631013186239
BaseRepresentation
bin101000101011001110…
…0011001001001100101
322100110112201221100111
41101112130121021211
52412343001121131
6104043341413021
76211414412656
oct1212634311145
9270415657314
1087349629541
1134054652589
1214b1926a171
1383109c4435
144328d0752d
15241384bab1
hex1456719265

87349629541 has 8 divisors (see below), whose sum is σ = 87625175040. Its totient is φ = 87074459472.

The previous prime is 87349629511. The next prime is 87349629559. The reversal of 87349629541 is 14592694378.

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 87349629541 - 25 = 87349629509 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 (87349629511) 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 7 ways as a sum of consecutive naturals, for example, 375900 + ... + 562138.

It is an arithmetic number, because the mean of its divisors is an integer number (10953146880).

Almost surely, 287349629541 is an apocalyptic number.

It is an amenable number.

87349629541 is a deficient number, since it is larger than the sum of its proper divisors (275545499).

87349629541 is a wasteful number, since it uses less digits than its factorization.

87349629541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187715.

The product of its digits is 13063680, while the sum is 58.

The spelling of 87349629541 in words is "eighty-seven billion, three hundred forty-nine million, six hundred twenty-nine thousand, five hundred forty-one".

Divisors: 1 463 1013 186239 469019 86228657 188660107 87349629541