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11872788240924 = 22351323307133069
BaseRepresentation
bin1010110011000101100101…
…0100110101101000011100
31120001000202000201011200000
42230301121110311220130
53024010432242202144
641130141132334300
72333531521626312
oct254613124655034
946030660634600
1011872788240924
113868248491416
1213b9038914390
136817a3388b70
142d09089560b2
15158c89c72769
hexacc59535a1c

11872788240924 has 288 divisors, whose sum is σ = 35088885511680. Its totient is φ = 3482923961088.

The previous prime is 11872788240923. The next prime is 11872788241003. The reversal of 11872788240924 is 42904288727811.

11872788240924 is a `hidden beast` number, since 1 + 1 + 87 + 2 + 78 + 82 + 409 + 2 + 4 = 666.

It is a super-2 number, since 2×118727882409242 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11872788240923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89156262 + ... + 89289330.

Almost surely, 211872788240924 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 11872788240924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17544442755840).

11872788240924 is an abundant number, since it is smaller than the sum of its proper divisors (23216097270756).

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

11872788240924 is a wasteful number, since it uses less digits than its factorization.

11872788240924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133431 (or 133417 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 11872788240924 in words is "eleven trillion, eight hundred seventy-two billion, seven hundred eighty-eight million, two hundred forty thousand, nine hundred twenty-four".