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108020810983 = 713967383519
BaseRepresentation
bin110010010011010001…
…0101100010011100111
3101022211011012202110011
41210212202230103213
53232211311422413
6121342444511051
710542566513041
oct1444642542347
9338734182404
10108020810983
11418a1a28108
1218b27b4b487
13a25645b147
14532a3c4a91
152c2349633d
hex19268ac4e7

108020810983 has 8 divisors (see below), whose sum is σ = 109570129920. Its totient is φ = 106472267160.

The previous prime is 108020810917. The next prime is 108020811077. The reversal of 108020810983 is 389018020801.

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 108020810983 - 229 = 107483940071 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 (108020810483) 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, 89898 + ... + 473416.

It is an arithmetic number, because the mean of its divisors is an integer number (13696266240).

Almost surely, 2108020810983 is an apocalyptic number.

108020810983 is a deficient number, since it is larger than the sum of its proper divisors (1549318937).

108020810983 is an equidigital number, since it uses as much as digits as its factorization.

108020810983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387557.

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 108020810983 in words is "one hundred eight billion, twenty million, eight hundred ten thousand, nine hundred eighty-three".

Divisors: 1 71 3967 281657 383519 27229849 1521419873 108020810983