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1960220002221 = 34133175872421
BaseRepresentation
bin11100100001100110001…
…101111000011110101101
320221101200002202120210000
4130201212031320132231
5224104012310032341
64100302421334513
7261423036050115
oct34414615703655
96841602676700
101960220002221
116963630a7768
12277aa1867439
13112b03c50550
146ac375d0045
1535eca9a18b6
hex1c8663787ad

1960220002221 has 40 divisors (see below), whose sum is σ = 3163426752024. Its totient is φ = 1202483698560.

The previous prime is 1960220002217. The next prime is 1960220002243. The reversal of 1960220002221 is 1222000220691.

It is a happy number.

1960220002221 is a `hidden beast` number, since 19 + 602 + 2 + 0 + 0 + 0 + 22 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74709288900 + 1885510713321 = 273330^2 + 1373139^2 .

It is not a de Polignac number, because 1960220002221 - 22 = 1960220002217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960220002921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2602410 + ... + 3270011.

Almost surely, 21960220002221 is an apocalyptic number.

It is an amenable number.

1960220002221 is a deficient number, since it is larger than the sum of its proper divisors (1203206749803).

1960220002221 is a wasteful number, since it uses less digits than its factorization.

1960220002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872763 (or 5872754 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 1960220002221 in words is "one trillion, nine hundred sixty billion, two hundred twenty million, two thousand, two hundred twenty-one".

Divisors: 1 3 9 13 27 39 81 117 317 351 951 1053 2853 4121 8559 12363 25677 37089 111267 333801 5872421 17617263 52851789 76341473 158555367 229024419 475666101 687073257 1861557457 2061219771 5584672371 6183659313 16754017113 24200246941 50262051339 72600740823 150786154017 217802222469 653406667407 1960220002221