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87106000822 = 2711024359887
BaseRepresentation
bin101000100011111101…
…1000001011110110110
322022211120022022120121
41101013323001132312
52411343114011242
6104003235522154
76202365535111
oct1210773013666
9268746268517
1087106000822
1133a3a080735
1214a6b75935a
1382a23a2a29
144304809578
1523ec275667
hex1447ec17b6

87106000822 has 16 divisors (see below), whose sum is σ = 132514417152. Its totient is φ = 42934668840.

The previous prime is 87106000799. The next prime is 87106000831. The reversal of 87106000822 is 22800060178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424563 + ... + 1484449.

It is an arithmetic number, because the mean of its divisors is an integer number (8282151072).

Almost surely, 287106000822 is an apocalyptic number.

87106000822 is the 157758-th centered heptagonal number.

87106000822 is a deficient number, since it is larger than the sum of its proper divisors (45408416330).

87106000822 is a wasteful number, since it uses less digits than its factorization.

87106000822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70203.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 87106000822 in words is "eighty-seven billion, one hundred six million, eight hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 71 142 10243 20486 59887 119774 727253 1454506 4251977 8503954 613422541 1226845082 43553000411 87106000822