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9995281371852 = 22371789448117551
BaseRepresentation
bin1001000101110011010100…
…1100100001001011001100
31022101112120100022002212220
42101130311030201023030
52302230314012344402
633131434024255340
72051064250563030
oct221346514411314
938345510262786
109995281371852
113203a7a837937
12115519b611550
135767216a486a
14267aba5921c0
15125000a6adbc
hex917353212cc

9995281371852 has 192 divisors, whose sum is σ = 28547067064320. Its totient is φ = 2656862208000.

The previous prime is 9995281371847. The next prime is 9995281371863. The reversal of 9995281371852 is 2581731825999.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 569490477 + ... + 569508027.

It is an arithmetic number, because the mean of its divisors is an integer number (148682640960).

Almost surely, 29995281371852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9995281371852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14273533532160).

9995281371852 is an abundant number, since it is smaller than the sum of its proper divisors (18551785692468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9995281371852 is a wasteful number, since it uses less digits than its factorization.

9995281371852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22152 (or 22150 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 69.

The spelling of 9995281371852 in words is "nine trillion, nine hundred ninety-five billion, two hundred eighty-one million, three hundred seventy-one thousand, eight hundred fifty-two".