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20401030001 = 114423419317
BaseRepresentation
bin10010111111111111…
…110000001101110001
31221122210010200222202
4102333333300031301
5313240130430001
613212212512545
71321361615402
oct227777601561
957583120882
1020401030001
118719938880
123b5431b755
131c017b9cb1
14db76779a9
157e608496b
hex4bfff0371

20401030001 has 8 divisors (see below), whose sum is σ = 22260753984. Its totient is φ = 18542153520.

The previous prime is 20401029991. The next prime is 20401030031. The reversal of 20401030001 is 10003010402.

It is a happy number.

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

It is not a de Polignac number, because 20401030001 - 218 = 20400767857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20401030031) 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, 161006 + ... + 258311.

It is an arithmetic number, because the mean of its divisors is an integer number (2782594248).

Almost surely, 220401030001 is an apocalyptic number.

It is an amenable number.

20401030001 is a deficient number, since it is larger than the sum of its proper divisors (1859723983).

20401030001 is a wasteful number, since it uses less digits than its factorization.

20401030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423751.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20401030001 its reverse (10003010402), we get a palindrome (30404040403).

The spelling of 20401030001 in words is "twenty billion, four hundred one million, thirty thousand, one".

Divisors: 1 11 4423 48653 419317 4612487 1854639091 20401030001