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1222055102145 = 35491817920287
BaseRepresentation
bin10001110010001000001…
…010010000011011000001
311022211100010021101101110
4101302020022100123001
5130010232101232040
62333223201553533
7154201443656253
oct21621012203301
94284303241343
101222055102145
114312a8278839
12178a139458a9
138b3159904c7
144320d72dcd3
1521bc60a0980
hex11c882906c1

1222055102145 has 32 divisors (see below), whose sum is σ = 1959606558720. Its totient is φ = 650323719360.

The previous prime is 1222055102143. The next prime is 1222055102221. The reversal of 1222055102145 is 5412015502221.

It is not a de Polignac number, because 1222055102145 - 21 = 1222055102143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222055102141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60228192 + ... + 60248478.

It is an arithmetic number, because the mean of its divisors is an integer number (61237704960).

Almost surely, 21222055102145 is an apocalyptic number.

1222055102145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222055102145 is a deficient number, since it is larger than the sum of its proper divisors (737551456575).

1222055102145 is a wasteful number, since it uses less digits than its factorization.

1222055102145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28965.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 1222055102145 in words is "one trillion, two hundred twenty-two billion, fifty-five million, one hundred two thousand, one hundred forty-five".

Divisors: 1 3 5 15 491 1473 2455 7365 8179 20287 24537 40895 60861 101435 122685 304305 4015889 9960917 12047667 20079445 29882751 49804585 60238335 149413755 165927373 497782119 829636865 2488910595 81470340143 244411020429 407351700715 1222055102145