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31320456452054 = 2711297013089219
BaseRepresentation
bin1110001111100010111001…
…01011100101011111010110
311002220012120110110122110122
413013301130223211133112
513101123243322431204
6150340230303351542
76411554052135530
oct707613453453726
9132805513418418
1031320456452054
119a85a27165470
12361a1455b25b2
131462677659993
147a3cbd6b8850
15394ab4a800be
hex1c7c5cae57d6

31320456452054 has 32 divisors (see below), whose sum is σ = 60593090860800. Its totient is φ = 11781989886240.

The previous prime is 31320456452009. The next prime is 31320456452059. The reversal of 31320456452054 is 45025465402313.

It is a super-2 number, since 2×313204564520542 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31320456451996 and 31320456452014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320456452059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506540144 + ... + 3506549075.

It is an arithmetic number, because the mean of its divisors is an integer number (1893534089400).

Almost surely, 231320456452054 is an apocalyptic number.

31320456452054 is a deficient number, since it is larger than the sum of its proper divisors (29272634408746).

31320456452054 is a wasteful number, since it uses less digits than its factorization.

31320456452054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013089268.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 31320456452054 in words is "thirty-one trillion, three hundred twenty billion, four hundred fifty-six million, four hundred fifty-two thousand, fifty-four".

Divisors: 1 2 7 11 14 22 29 58 77 154 203 319 406 638 2233 4466 7013089219 14026178438 49091624533 77143981409 98183249066 154287962818 203379587351 406759174702 540007869863 1080015739726 1423657111457 2237175460861 2847314222914 4474350921722 15660228226027 31320456452054