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980711971 = 11329392953
BaseRepresentation
bin111010011101000…
…111101000100011
32112100101022220121
4322131013220203
54002030240341
6241152021111
733205625401
oct7235075043
92470338817
10980711971
1146364a468
12234531797
13128245b55
149436a471
155b1714d1
hex3a747a23

980711971 has 8 divisors (see below), whose sum is σ = 990062640. Its totient is φ = 971373312.

The previous prime is 980711957. The next prime is 980711993. The reversal of 980711971 is 179117089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-980711971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980711911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330631 + ... + 333583.

It is an arithmetic number, because the mean of its divisors is an integer number (123757830).

Almost surely, 2980711971 is an apocalyptic number.

980711971 is a deficient number, since it is larger than the sum of its proper divisors (9350669).

980711971 is a wasteful number, since it uses less digits than its factorization.

980711971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005.

The product of its (nonzero) digits is 31752, while the sum is 43.

The square root of 980711971 is about 31316.3211600597. The cubic root of 980711971 is about 993.5288718274.

The spelling of 980711971 in words is "nine hundred eighty million, seven hundred eleven thousand, nine hundred seventy-one".

Divisors: 1 113 2939 2953 332107 333689 8678867 980711971