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55181041451120 = 24513362314644961
BaseRepresentation
bin11001000101111110101100…
…10111111100000001110000
321020101020220122201000011102
430202333112113330001300
524213041233102413440
6313205453120303532
714423461435215104
oct1442772627740160
9236336818630142
1055181041451120
111664516a372432
126232557171ba8
1324a371c11cb40
14d8aac3207904
1565a5bb207b15
hex322fd65fc070

55181041451120 has 80 divisors (see below), whose sum is σ = 138202983317952. Its totient is φ = 20368913326080.

The previous prime is 55181041451101. The next prime is 55181041451167. The reversal of 55181041451120 is 2115414018155.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3554561 + ... + 11090400.

Almost surely, 255181041451120 is an apocalyptic number.

It is an amenable number.

55181041451120 is an abundant number, since it is smaller than the sum of its proper divisors (83021941866832).

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

55181041451120 is a wasteful number, since it uses less digits than its factorization.

55181041451120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648610 (or 14648604 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 38.

Adding to 55181041451120 its reverse (2115414018155), we get a palindrome (57296455469275).

The spelling of 55181041451120 in words is "fifty-five trillion, one hundred eighty-one billion, forty-one million, four hundred fifty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 3623 7246 14492 18115 28984 36230 47099 57968 72460 94198 144920 188396 235495 289840 376792 470990 753584 941980 1883960 3767920 14644961 29289922 58579844 73224805 117159688 146449610 190384493 234319376 292899220 380768986 585798440 761537972 951922465 1171596880 1523075944 1903844930 3046151888 3807689860 7615379720 15230759440 53058693703 106117387406 212234774812 265293468515 424469549624 530586937030 689763018139 848939099248 1061173874060 1379526036278 2122347748120 2759052072556 3448815090695 4244695496240 5518104145112 6897630181390 11036208290224 13795260362780 27590520725560 55181041451120