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42054148853 = 97156837621
BaseRepresentation
bin100111001010100111…
…110110001011110101
311000112211022002222122
4213022213312023311
51142111330230403
631152554205325
73016066236653
oct471247661365
9130484262878
1042054148853
111692051a522
128197a23845
133c72808562
14206d31ddd3
151161ee3838
hex9ca9f62f5

42054148853 has 8 divisors (see below), whose sum is σ = 42110391456. Its totient is φ = 41997934800.

The previous prime is 42054148793. The next prime is 42054148859. The reversal of 42054148853 is 35884145024.

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 42054148853 - 28 = 42054148597 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 (42054148859) 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, 5514383 + ... + 5522003.

It is an arithmetic number, because the mean of its divisors is an integer number (5263798932).

Almost surely, 242054148853 is an apocalyptic number.

It is an amenable number.

42054148853 is a deficient number, since it is larger than the sum of its proper divisors (56242603).

42054148853 is an equidigital number, since it uses as much as digits as its factorization.

42054148853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14275.

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 42054148853 in words is "forty-two billion, fifty-four million, one hundred forty-eight thousand, eight hundred fifty-three".

Divisors: 1 971 5683 7621 5518193 7399991 43310143 42054148853