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2169324980928 = 263772214103
BaseRepresentation
bin11111100100010101110…
…110000100101011000000
321200101101222200010000000
4133210111312010223000
5241020234143342203
64340324003000000
7312504616044420
oct37442566045300
97611358603000
102169324980928
11767007441156
122b051a669000
131297496b7691
1476dd2a12480
153b66843c4a3
hex1f915d84ac0

2169324980928 has 224 divisors, whose sum is σ = 7378457297920. Its totient is φ = 619806857472.

The previous prime is 2169324980903. The next prime is 2169324980929. The reversal of 2169324980928 is 8290894239612.

2169324980928 is a `hidden beast` number, since 21 + 6 + 9 + 32 + 498 + 0 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2169324980929) 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 31 ways as a sum of consecutive naturals, for example, 127276 + ... + 2086827.

Almost surely, 22169324980928 is an apocalyptic number.

2169324980928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2169324980928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3689228648960).

2169324980928 is an abundant number, since it is smaller than the sum of its proper divisors (5209132316992).

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

2169324980928 is an frugal number, since it uses more digits than its factorization.

2169324980928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214143 (or 2214115 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 2169324980928 in words is "two trillion, one hundred sixty-nine billion, three hundred twenty-four million, nine hundred eighty thousand, nine hundred twenty-eight".