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2772005347420 = 225271523197771
BaseRepresentation
bin101000010101101000011…
…001001110000001011100
3100211000000211002220002021
4220111220121032001130
5330404031332104140
65521235222505524
7404161606454131
oct50255031160134
910730024086067
102772005347420
11979667830771
12389296b952a4
13171525745c5a
1498246c58588
154c18d762b4a
hex2856864e05c

2772005347420 has 48 divisors (see below), whose sum is σ = 5843868420096. Its totient is φ = 1104488136000.

The previous prime is 2772005347387. The next prime is 2772005347429. The reversal of 2772005347420 is 247435002772.

It is a super-2 number, since 2×27720053474202 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772005347429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28303135 + ... + 28400905.

It is an arithmetic number, because the mean of its divisors is an integer number (121747258752).

Almost surely, 22772005347420 is an apocalyptic number.

2772005347420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2772005347420 is an abundant number, since it is smaller than the sum of its proper divisors (3071863072676).

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

2772005347420 is a wasteful number, since it uses less digits than its factorization.

2772005347420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103282 (or 103280 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 43.

The spelling of 2772005347420 in words is "two trillion, seven hundred seventy-two billion, five million, three hundred forty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5231 5420 10462 20924 26155 52310 97771 104620 195542 391084 488855 977710 1417601 1955420 2835202 5670404 7088005 14176010 26495941 28352020 52991882 105983764 132479705 264959410 511440101 529918820 1022880202 2045760404 2557200505 5114401010 10228802020 138600267371 277200534742 554401069484 693001336855 1386002673710 2772005347420