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2120300401 = 17499249947
BaseRepresentation
bin111111001100001…
…0011011101110001
312110202201102100111
41332120103131301
513320244103101
6550221221321
7103354153552
oct17630233561
95422642314
102120300401
1199894408a
124b2101841
1327a377c2b
14161852329
15c6227251
hex7e613771

2120300401 has 8 divisors (see below), whose sum is σ = 2249532000. Its totient is φ = 1991569728.

The previous prime is 2120300389. The next prime is 2120300411. The reversal of 2120300401 is 1040030212.

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 2120300401 - 221 = 2118203249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120300411) 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, 116491 + ... + 133456.

It is an arithmetic number, because the mean of its divisors is an integer number (281191500).

Almost surely, 22120300401 is an apocalyptic number.

It is an amenable number.

2120300401 is a deficient number, since it is larger than the sum of its proper divisors (129231599).

2120300401 is a wasteful number, since it uses less digits than its factorization.

2120300401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250463.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120300401 is about 46046.7197637356. The cubic root of 2120300401 is about 1284.6923316761.

Adding to 2120300401 its reverse (1040030212), we get a palindrome (3160330613).

The spelling of 2120300401 in words is "two billion, one hundred twenty million, three hundred thousand, four hundred one".

Divisors: 1 17 499 8483 249947 4249099 124723553 2120300401