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7421168030856 = 2332778713128119
BaseRepresentation
bin110101111111110000000…
…0101011001010010001000
3222021110022221220201201220
41223333200011121102020
51433042023003441411
623441123150042040
71364106314313666
oct153774005312210
928243287821656
107421168030856
11240133297a618
129ba3321a9320
1341aa756216c8
141b928788bc36
15cd095686b06
hex6bfe0159488

7421168030856 has 64 divisors (see below), whose sum is σ = 18622180502400. Its totient is φ = 2464490147328.

The previous prime is 7421168030791. The next prime is 7421168030867. The reversal of 7421168030856 is 6580308611247.

It is a junction number, because it is equal to n+sod(n) for n = 7421168030799 and 7421168030808.

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, 57859965 + ... + 57988083.

It is an arithmetic number, because the mean of its divisors is an integer number (290971570350).

Almost surely, 27421168030856 is an apocalyptic number.

It is an amenable number.

7421168030856 is an abundant number, since it is smaller than the sum of its proper divisors (11201012471544).

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

7421168030856 is a wasteful number, since it uses less digits than its factorization.

7421168030856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137118 (or 137114 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 7421168030856 in words is "seven trillion, four hundred twenty-one billion, one hundred sixty-eight million, thirty thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 277 554 831 1108 1662 2216 3324 6648 8713 17426 26139 34852 52278 69704 104556 128119 209112 256238 384357 512476 768714 1024952 1537428 2413501 3074856 4827002 7240503 9654004 14481006 19308008 28962012 35488963 57924024 70977926 106466889 141955852 212933778 283911704 425867556 851735112 1116300847 2232601694 3348902541 4465203388 6697805082 8930406776 13395610164 26791220328 309215334619 618430669238 927646003857 1236861338476 1855292007714 2473722676952 3710584015428 7421168030856