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220120001983 = 7199715746477
BaseRepresentation
bin1100110100000000101…
…1001010110110111111
3210001011112121200112001
43031000023022312333
512101301210030413
6245042143323131
721621531100630
oct3150013126677
9701145550461
10220120001983
1185397003512
12367b18b04a7
13179ac8218ab
14a9222c3887
155ad49e64dd
hex33402cadbf

220120001983 has 8 divisors (see below), whose sum is σ = 251691704352. Its totient is φ = 188579796576.

The previous prime is 220120001977. The next prime is 220120001993. The reversal of 220120001983 is 389100021022.

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 220120001983 - 25 = 220120001951 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 (220120001903) 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, 7859260 + ... + 7887217.

It is an arithmetic number, because the mean of its divisors is an integer number (31461463044).

Almost surely, 2220120001983 is an apocalyptic number.

220120001983 is a deficient number, since it is larger than the sum of its proper divisors (31571702369).

220120001983 is a wasteful number, since it uses less digits than its factorization.

220120001983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15748481.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 220120001983 in words is "two hundred twenty billion, one hundred twenty million, one thousand, nine hundred eighty-three".

Divisors: 1 7 1997 13979 15746477 110225339 31445714569 220120001983