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2720478101 = 111039123801
BaseRepresentation
bin1010001000100111…
…0011001110010101
321000121001121101012
42202021303032111
521032420244401
61125541142005
7124262453015
oct24211631625
97017047335
102720478101
111176703510
1263b0ba905
13344806673
141bb443c45
1510dc7c8bb
hexa2273395

2720478101 has 8 divisors (see below), whose sum is σ = 2968204608. Its totient is φ = 2472820000.

The previous prime is 2720478097. The next prime is 2720478107. The reversal of 2720478101 is 1018740272.

It is a happy number.

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 2720478101 - 22 = 2720478097 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 (2720478107) 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, 102401 + ... + 126201.

It is an arithmetic number, because the mean of its divisors is an integer number (371025576).

Almost surely, 22720478101 is an apocalyptic number.

It is an amenable number.

2720478101 is a deficient number, since it is larger than the sum of its proper divisors (247726507).

2720478101 is a wasteful number, since it uses less digits than its factorization.

2720478101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34203.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 2720478101 is about 52158.2026243236. The cubic root of 2720478101 is about 1395.9881918758.

The spelling of 2720478101 in words is "two billion, seven hundred twenty million, four hundred seventy-eight thousand, one hundred one".

Divisors: 1 11 10391 23801 114301 261811 247316191 2720478101