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2742456455231 = 731313493672239
BaseRepresentation
bin100111111010000111001…
…001001001000000111111
3100201011202111122122021212
4213322013021021000333
5324413022323031411
65455511143315035
7402064425150323
oct47720711110077
910634674578255
102742456455231
1196808419a709
1238360b14ba7b
1316b7c6977b6c
1496a426b9983
154b50e54568b
hex27e8724903f

2742456455231 has 32 divisors (see below), whose sum is σ = 2818185216000. Its totient is φ = 2668064106240.

The previous prime is 2742456455203. The next prime is 2742456455267. The reversal of 2742456455231 is 1325546542472.

It is a happy number.

2742456455231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2742456455231 is a prime.

It is a super-2 number, since 2×27424564552312 (a number of 26 digits) contains 22 as substring.

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 2742456455231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742456455831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1224856610 + ... + 1224858848.

It is an arithmetic number, because the mean of its divisors is an integer number (88068288000).

Almost surely, 22742456455231 is an apocalyptic number.

2742456455231 is a deficient number, since it is larger than the sum of its proper divisors (75728760769).

2742456455231 is a wasteful number, since it uses less digits than its factorization.

2742456455231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its digits is 8064000, while the sum is 50.

The spelling of 2742456455231 in words is "two trillion, seven hundred forty-two billion, four hundred fifty-six million, four hundred fifty-five thousand, two hundred thirty-one".

Divisors: 1 73 131 349 367 2239 9563 25477 26791 45719 48077 128083 163447 293309 781411 821713 3337487 3509621 9350059 16778873 21411557 57043003 59985049 102364841 107644403 286777837 1224857729 7472633393 7858041419 20934782101 37567896647 2742456455231