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2102284801 = 23101904987
BaseRepresentation
bin111110101001110…
…0101001000000001
312102111211010121001
41331103211020001
513301141103201
6544335132001
7103045061131
oct17523451001
95374733531
102102284801
11989759761
124a8074001
1327670ab06
1415d2c2ac1
15c4869301
hex7d4e5201

2102284801 has 8 divisors (see below), whose sum is σ = 2215410624. Its totient is φ = 1990969200.

The previous prime is 2102284781. The next prime is 2102284813. The reversal of 2102284801 is 1084822012.

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 2102284801 - 211 = 2102282753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102284801.

It is not an unprimeable number, because it can be changed into a prime (2102284841) 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, 450171 + ... + 454816.

It is an arithmetic number, because the mean of its divisors is an integer number (276926328).

Almost surely, 22102284801 is an apocalyptic number.

It is an amenable number.

2102284801 is a deficient number, since it is larger than the sum of its proper divisors (113125823).

2102284801 is a wasteful number, since it uses less digits than its factorization.

2102284801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905111.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 2102284801 is about 45850.6793951845. The cubic root of 2102284801 is about 1281.0434202386.

It can be divided in two parts, 2102 and 284801, that added together give a triangular number (286903 = T757).

The spelling of 2102284801 in words is "two billion, one hundred two million, two hundred eighty-four thousand, eight hundred one".

Divisors: 1 23 101 2323 904987 20814701 91403687 2102284801