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1144054756420 = 22557202737821
BaseRepresentation
bin10000101001011110111…
…110100011010001000100
311001101000010212021100221
4100221132332203101010
5122221011004201140
62233323235514124
7145440512656432
oct20513676432104
94041003767327
101144054756420
114012110a25a4
12165885758944
1383b64c11594
143d53039dd52
151eb5d42714a
hex10a5efa3444

1144054756420 has 12 divisors (see below), whose sum is σ = 2402514988524. Its totient is φ = 457621902560.

The previous prime is 1144054756393. The next prime is 1144054756423. The reversal of 1144054756420 is 246574504411.

It can be written as a sum of positive squares in 2 ways, for example, as 642357366784 + 501697389636 = 801472^2 + 708306^2 .

It is a super-2 number, since 2×11440547564202 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144054756423) 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 3 ways as a sum of consecutive naturals, for example, 28601368891 + ... + 28601368930.

It is an arithmetic number, because the mean of its divisors is an integer number (200209582377).

Almost surely, 21144054756420 is an apocalyptic number.

1144054756420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144054756420 is an abundant number, since it is smaller than the sum of its proper divisors (1258460232104).

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

1144054756420 is a wasteful number, since it uses less digits than its factorization.

1144054756420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57202737830 (or 57202737828 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 1144054756420 in words is "one trillion, one hundred forty-four billion, fifty-four million, seven hundred fifty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 57202737821 114405475642 228810951284 286013689105 572027378210 1144054756420