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55243413742 = 21123109176707
BaseRepresentation
bin110011011100110000…
…111001100011101110
312021121000020012001211
4303130300321203232
51401114303214432
641213430025034
73663661161166
oct633460714356
9167530205054
1055243413742
1121479515440
12a858aa817a
1352951761ca
142960c755a6
151684d7dd47
hexcdcc398ee

55243413742 has 16 divisors (see below), whose sum is σ = 94328675712. Its totient is φ = 24018875320.

The previous prime is 55243413727. The next prime is 55243413749. The reversal of 55243413742 is 24731434255.

It is a junction number, because it is equal to n+sod(n) for n = 55243413695 and 55243413704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55243413749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54587848 + ... + 54588859.

It is an arithmetic number, because the mean of its divisors is an integer number (5895542232).

Almost surely, 255243413742 is an apocalyptic number.

55243413742 is a deficient number, since it is larger than the sum of its proper divisors (39085261970).

55243413742 is a wasteful number, since it uses less digits than its factorization.

55243413742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109176743.

The product of its digits is 403200, while the sum is 40.

Adding to 55243413742 its reverse (24731434255), we get a palindrome (79974847997).

The spelling of 55243413742 in words is "fifty-five billion, two hundred forty-three million, four hundred thirteen thousand, seven hundred forty-two".

Divisors: 1 2 11 22 23 46 253 506 109176707 218353414 1200943777 2401887554 2511064261 5022128522 27621706871 55243413742