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2162202541961 = 72114523886913
BaseRepresentation
bin11111011101101101010…
…100000111111110001001
321122201000121112201112012
4133131231110013332021
5240411142322320321
64333145132225305
7312133252235300
oct37355524077611
97581017481465
102162202541961
11763a91a6a360
122ab07130b235
13128b82c12657
1476918b03437
153b39ceda05b
hex1f76d507f89

2162202541961 has 24 divisors (see below), whose sum is σ = 2744480872224. Its totient is φ = 1684458746880.

The previous prime is 2162202541931. The next prime is 2162202541973. The reversal of 2162202541961 is 1691452022612.

It is a de Polignac number, because none of the positive numbers 2k-2162202541961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2162202541901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1994441 + ... + 2881353.

It is an arithmetic number, because the mean of its divisors is an integer number (114353369676).

Almost surely, 22162202541961 is an apocalyptic number.

It is an amenable number.

2162202541961 is a deficient number, since it is larger than the sum of its proper divisors (582278330263).

2162202541961 is a wasteful number, since it uses less digits than its factorization.

2162202541961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891461 (or 891454 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 2162202541961 in words is "two trillion, one hundred sixty-two billion, two hundred two million, five hundred forty-one thousand, nine hundred sixty-one".

Divisors: 1 7 11 49 77 539 4523 31661 49753 221627 348271 886913 2437897 6208391 9756043 43458737 68292301 478046107 4011507499 28080552493 44126582489 196563867451 308886077423 2162202541961