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8975643412 = 224154729533
BaseRepresentation
bin10000101101111110…
…10111001100010100
3212011112020221001111
420112333113030110
5121340231042122
64042351104404
7435265465411
oct102677271424
925145227044
108975643412
11389657581a
1218a5b12104
13b00702c08
146120b5108
15377eb9d77
hex216fd7314

8975643412 has 12 divisors (see below), whose sum is σ = 16090482996. Its totient is φ = 4378362560.

The previous prime is 8975643403. The next prime is 8975643421. The reversal of 8975643412 is 2143465798.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8975643403) and next prime (8975643421).

It can be written as a sum of positive squares in 2 ways, for example, as 5332796676 + 3642846736 = 73026^2 + 60356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27364603 + ... + 27364930.

It is an arithmetic number, because the mean of its divisors is an integer number (1340873583).

Almost surely, 28975643412 is an apocalyptic number.

8975643412 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8975643412 is a deficient number, since it is larger than the sum of its proper divisors (7114839584).

8975643412 is a wasteful number, since it uses less digits than its factorization.

8975643412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54729578 (or 54729576 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 8975643412 is about 94739.8723452803. The cubic root of 8975643412 is about 2078.2056927898.

The spelling of 8975643412 in words is "eight billion, nine hundred seventy-five million, six hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 41 82 164 54729533 109459066 218918132 2243910853 4487821706 8975643412