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23550471125885 = 5112595116499957
BaseRepresentation
bin1010101101011010001010…
…11101110011101101111101
310002101101212211021100012002
411112231011131303231331
511041322331102012020
6122030534224152045
74650315425446064
oct526550535635575
9102341784240162
1023550471125885
11755a775a9a0a0
1227842a5168625
13101aa524b6b22
145b5bc54a51db
152ac906115975
hex156b45773b7d

23550471125885 has 16 divisors (see below), whose sum is σ = 30830897521152. Its totient is φ = 17126954328000.

The previous prime is 23550471125821. The next prime is 23550471125887. The reversal of 23550471125885 is 58852117405532.

It is not a de Polignac number, because 23550471125885 - 26 = 23550471125821 is a prime.

It is a super-2 number, since 2×235504711258852 (a number of 28 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 23550471125885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23550471125887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6822674 + ... + 9677283.

It is an arithmetic number, because the mean of its divisors is an integer number (1926931095072).

Almost surely, 223550471125885 is an apocalyptic number.

It is an amenable number.

23550471125885 is a deficient number, since it is larger than the sum of its proper divisors (7280426395267).

23550471125885 is a wasteful number, since it uses less digits than its factorization.

23550471125885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525924.

The product of its (nonzero) digits is 13440000, while the sum is 56.

The spelling of 23550471125885 in words is "twenty-three trillion, five hundred fifty billion, four hundred seventy-one million, one hundred twenty-five thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 25951 129755 285461 1427305 16499957 82499785 181499527 907497635 428190384107 2140951920535 4710094225177 23550471125885