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1054115140551 = 31131942883047
BaseRepresentation
bin11110101011011100010…
…10001001001111000111
310201202212002121101200220
433111232022021033013
5114232311433444201
62124130453435423
7136104645600054
oct17255612111707
93652762541626
101054115140551
11377058574a50
1215036503bb73
1378530772075
143903b50002b
151c647527036
hexf56e2893c7

1054115140551 has 8 divisors (see below), whose sum is σ = 1533258386304. Its totient is φ = 638857660920.

The previous prime is 1054115140549. The next prime is 1054115140571. The reversal of 1054115140551 is 1550415114501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054115140551 - 21 = 1054115140549 is a prime.

It is a super-2 number, since 2×10541151405512 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 31942883047 = 1054115140551 / (1 + 0 + 5 + 4 + 1 + 1 + 5 + 1 + 4 + 0 + 5 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054115140571) 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, 15971441491 + ... + 15971441556.

It is an arithmetic number, because the mean of its divisors is an integer number (191657298288).

Almost surely, 21054115140551 is an apocalyptic number.

1054115140551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1054115140551 is a deficient number, since it is larger than the sum of its proper divisors (479143245753).

1054115140551 is a wasteful number, since it uses less digits than its factorization.

1054115140551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31942883061.

The product of its (nonzero) digits is 10000, while the sum is 33.

The spelling of 1054115140551 in words is "one trillion, fifty-four billion, one hundred fifteen million, one hundred forty thousand, five hundred fifty-one".

Divisors: 1 3 11 33 31942883047 95828649141 351371713517 1054115140551