Search a number
-
+
87343805555659 = 207643420644113
BaseRepresentation
bin10011110111000001010000…
…100000001110001111001011
3102110020222121222121211012201
4103313001100200032033023
542422020103210240114
6505433105040221031
724253244632312402
oct2367012040161713
9373228558554181
1087343805555659
1125915333208044
12996799390a777
1339976408cca83
14177d669ab6639
15a1702d445874
hex4f705080e3cb

87343805555659 has 4 divisors (see below), whose sum is σ = 87344226407416. Its totient is φ = 87343384703904.

The previous prime is 87343805555641. The next prime is 87343805555687. The reversal of 87343805555659 is 95655550834378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87343805555659 - 29 = 87343805555147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87343805555591 and 87343805555600.

It is not an unprimeable number, because it can be changed into a prime (87343805555639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210114414 + ... + 210529699.

It is an arithmetic number, because the mean of its divisors is an integer number (21836056601854).

Almost surely, 287343805555659 is an apocalyptic number.

87343805555659 is a deficient number, since it is larger than the sum of its proper divisors (420851757).

87343805555659 is a wasteful number, since it uses less digits than its factorization.

87343805555659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420851756.

The product of its (nonzero) digits is 2721600000, while the sum is 73.

The spelling of 87343805555659 in words is "eighty-seven trillion, three hundred forty-three billion, eight hundred five million, five hundred fifty-five thousand, six hundred fifty-nine".

Divisors: 1 207643 420644113 87343805555659