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1980413983 = 6197334699
BaseRepresentation
bin111011000001010…
…1011100000011111
312010000111110021001
41312002223200133
513023441221413
6524303051131
7100035145462
oct16602534037
95100443231
101980413983
1192698a379
124732a0aa7
132573aa4c2
1414b03b2d9
15b8ce44dd
hex760ab81f

1980413983 has 8 divisors (see below), whose sum is σ = 2033637200. Its totient is φ = 1927860480.

The previous prime is 1980413969. The next prime is 1980413999. The reversal of 1980413983 is 3893140891.

It is a happy number.

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 1980413983 - 229 = 1443543071 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 (1980413483) 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, 161433 + ... + 173266.

It is an arithmetic number, because the mean of its divisors is an integer number (254204650).

Almost surely, 21980413983 is an apocalyptic number.

1980413983 is a deficient number, since it is larger than the sum of its proper divisors (53223217).

1980413983 is an equidigital number, since it uses as much as digits as its factorization.

1980413983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334857.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1980413983 is about 44501.8424674754. The cubic root of 1980413983 is about 1255.7947449407.

The spelling of 1980413983 in words is "one billion, nine hundred eighty million, four hundred thirteen thousand, nine hundred eighty-three".

Divisors: 1 61 97 5917 334699 20416639 32465803 1980413983