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87112432576 = 2613349300007
BaseRepresentation
bin101000100100001001…
…1100011101111000000
322022212000102002021201
41101020103203233000
52411401240320301
6104004025430544
76202504313431
oct1211023435700
9268760362251
1087112432576
1133a42773a34
1214a7193b454
1382a38153c0
144305601488
1523ecae6201
hex14484e3bc0

87112432576 has 56 divisors (see below), whose sum is σ = 186694978400. Its totient is φ = 40090401792.

The previous prime is 87112432543. The next prime is 87112432609. The reversal of 87112432576 is 67523421178.

It is an interprime number because it is at equal distance from previous prime (87112432543) and next prime (87112432609).

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, 140365 + ... + 440371.

It is an arithmetic number, because the mean of its divisors is an integer number (3333838900).

Almost surely, 287112432576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87112432576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93347489200).

87112432576 is an abundant number, since it is smaller than the sum of its proper divisors (99582545824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87112432576 is a wasteful number, since it uses less digits than its factorization.

87112432576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300381 (or 300371 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The spelling of 87112432576 in words is "eighty-seven billion, one hundred twelve million, four hundred thirty-two thousand, five hundred seventy-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 349 416 698 832 1396 2792 4537 5584 9074 11168 18148 22336 36296 72592 145184 290368 300007 600014 1200028 2400056 3900091 4800112 7800182 9600224 15600364 19200448 31200728 62401456 104702443 124802912 209404886 249605824 418809772 837619544 1361131759 1675239088 2722263518 3350478176 5444527036 6700956352 10889054072 21778108144 43556216288 87112432576