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2750201620 = 225397346373
BaseRepresentation
bin1010001111101100…
…1011111100010100
321002122222201101021
42203323023330110
521113022422440
61132522210524
7125103220345
oct24373137424
97078881337
102750201620
111191465201
12649053a44
1334aa1284a
141c13800cc
1511169e84a
hexa3ecbf14

2750201620 has 24 divisors (see below), whose sum is σ = 5789987784. Its totient is φ = 1097306496.

The previous prime is 2750201599. The next prime is 2750201651. The reversal of 2750201620 is 261020572.

It can be written as a sum of positive squares in 4 ways, for example, as 305690256 + 2444511364 = 17484^2 + 49442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165247 + ... + 181126.

It is an arithmetic number, because the mean of its divisors is an integer number (241249491).

Almost surely, 22750201620 is an apocalyptic number.

2750201620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750201620 is an abundant number, since it is smaller than the sum of its proper divisors (3039786164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2750201620 is a wasteful number, since it uses less digits than its factorization.

2750201620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346779 (or 346777 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2750201620 is about 52442.3647445460. The cubic root of 2750201620 is about 1401.0539037134.

The spelling of 2750201620 in words is "two billion, seven hundred fifty million, two hundred one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 397 794 1588 1985 3970 7940 346373 692746 1385492 1731865 3463730 6927460 137510081 275020162 550040324 687550405 1375100810 2750201620