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24475157421 = 3111357051649
BaseRepresentation
bin10110110010110101…
…010100001110101101
32100011201022211010220
4112302311110032231
5400111120014141
615124351321553
71524342256041
oct266265241655
970151284126
1024475157421
11a41a652030
1248b08202b9
132400893a90
1412827a6021
15983a9d766
hex5b2d543ad

24475157421 has 16 divisors (see below), whose sum is σ = 38338708800. Its totient is φ = 13692395520.

The previous prime is 24475157389. The next prime is 24475157437. The reversal of 24475157421 is 12475157442.

It is not a de Polignac number, because 24475157421 - 25 = 24475157389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24475157221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28525396 + ... + 28526253.

It is an arithmetic number, because the mean of its divisors is an integer number (2396169300).

Almost surely, 224475157421 is an apocalyptic number.

It is an amenable number.

24475157421 is a deficient number, since it is larger than the sum of its proper divisors (13863551379).

24475157421 is a wasteful number, since it uses less digits than its factorization.

24475157421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57051676.

The product of its digits is 313600, while the sum is 42.

The spelling of 24475157421 in words is "twenty-four billion, four hundred seventy-five million, one hundred fifty-seven thousand, four hundred twenty-one".

Divisors: 1 3 11 13 33 39 143 429 57051649 171154947 627568139 741671437 1882704417 2225014311 8158385807 24475157421