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6980970143 = 72343360063
BaseRepresentation
bin1101000000001100…
…10010011010011111
3200000111221000201202
412200012102122133
5103244112021033
63112414230115
7334665160430
oct64006223237
920014830652
106980970143
112a62637214
121429ab533b
138733a2284
144a3205487
152acd0a8e8
hex1a019269f

6980970143 has 8 divisors (see below), whose sum is σ = 8325132288. Its totient is φ = 5723528184.

The previous prime is 6980970131. The next prime is 6980970181. The reversal of 6980970143 is 3410790896.

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

It is a cyclic number.

It is not a de Polignac number, because 6980970143 - 210 = 6980969119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980970043) 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, 21679871 + ... + 21680192.

It is an arithmetic number, because the mean of its divisors is an integer number (1040641536).

Almost surely, 26980970143 is an apocalyptic number.

6980970143 is a deficient number, since it is larger than the sum of its proper divisors (1344162145).

6980970143 is a wasteful number, since it uses less digits than its factorization.

6980970143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43360093.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 6980970143 is about 83552.2001086746. The cubic root of 6980970143 is about 1911.1961425629.

The spelling of 6980970143 in words is "six billion, nine hundred eighty million, nine hundred seventy thousand, one hundred forty-three".

Divisors: 1 7 23 161 43360063 303520441 997281449 6980970143