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28741885567001 = 251457250567843
BaseRepresentation
bin1101000100011111111011…
…11000010010000000011001
310202202200211102102120102022
412202033331320102000121
512231401340201121001
6141043501232344225
76024350501223305
oct642177570220031
9122680742376368
1028741885567001
119181402115342
1232824533a5075
13130646ac466a9
1471518699ad05
1534c99819711b
hex1a23fde12019

28741885567001 has 8 divisors (see below), whose sum is σ = 28919538283104. Its totient is φ = 28564733988000.

The previous prime is 28741885566971. The next prime is 28741885567007. The reversal of 28741885567001 is 10076558814782.

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 28741885567001 - 238 = 28467007660057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28741885567007) 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, 125169215 + ... + 125398628.

It is an arithmetic number, because the mean of its divisors is an integer number (3614942285388).

Almost surely, 228741885567001 is an apocalyptic number.

It is an amenable number.

28741885567001 is a deficient number, since it is larger than the sum of its proper divisors (177652716103).

28741885567001 is a wasteful number, since it uses less digits than its factorization.

28741885567001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250568551.

The product of its (nonzero) digits is 30105600, while the sum is 62.

The spelling of 28741885567001 in words is "twenty-eight trillion, seven hundred forty-one billion, eight hundred eighty-five million, five hundred sixty-seven thousand, one".

Divisors: 1 251 457 114707 250567843 62892528593 114509504251 28741885567001