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8971214914 = 2191971198399
BaseRepresentation
bin10000101101011100…
…11110000001000010
3212011012220221022001
420112232132001002
5121333112334124
64042112134214
7435213032344
oct102656360102
925135827261
108971214914
113894020602
1218a453736a
13acc8122bc
14611681294
153778e2b44
hex216b9e042

8971214914 has 16 divisors (see below), whose sum is σ = 14236992000. Its totient is φ = 4227948144.

The previous prime is 8971214909. The next prime is 8971214921. The reversal of 8971214914 is 4194121798.

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, 591714 + ... + 606685.

It is an arithmetic number, because the mean of its divisors is an integer number (889812000).

Almost surely, 28971214914 is an apocalyptic number.

8971214914 is a deficient number, since it is larger than the sum of its proper divisors (5265777086).

8971214914 is a wasteful number, since it uses less digits than its factorization.

8971214914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198617.

The product of its digits is 145152, while the sum is 46.

The square root of 8971214914 is about 94716.4975809389. The cubic root of 8971214914 is about 2077.8638475182.

The spelling of 8971214914 in words is "eight billion, nine hundred seventy-one million, two hundred fourteen thousand, nine hundred fourteen".

Divisors: 1 2 19 38 197 394 3743 7486 1198399 2396798 22769581 45539162 236084603 472169206 4485607457 8971214914