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1050666660105 = 352322071379887
BaseRepresentation
bin11110100101000001001…
…11001111000100001001
310201102221202200102211220
433102200213033010021
5114203231131110410
62122400344512253
7135623333154156
oct17224047170411
93642852612756
101050666660105
11375648a36607
1214b76217b689
13781011a36aa
1438bd151322d
151c4e48e5070
hexf4a09cf109

1050666660105 has 32 divisors (see below), whose sum is σ = 1754952597504. Its totient is φ = 535749018816.

The previous prime is 1050666660101. The next prime is 1050666660137. The reversal of 1050666660105 is 5010666660501.

It is not a de Polignac number, because 1050666660105 - 22 = 1050666660101 is a prime.

It is a super-2 number, since 2×10506666601052 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1050666660101) 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, 71472 + ... + 1451358.

It is an arithmetic number, because the mean of its divisors is an integer number (54842268672).

Almost surely, 21050666660105 is an apocalyptic number.

1050666660105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1050666660105 is a deficient number, since it is larger than the sum of its proper divisors (704285937399).

1050666660105 is a wasteful number, since it uses less digits than its factorization.

1050666660105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382125.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1050666660105 in words is "one trillion, fifty billion, six hundred sixty-six million, six hundred sixty thousand, one hundred five".

Divisors: 1 3 5 15 23 69 115 345 2207 6621 11035 33105 50761 152283 253805 761415 1379887 4139661 6899435 20698305 31737401 95212203 158687005 476061015 3045410609 9136231827 15227053045 45681159135 70044444007 210133332021 350222220035 1050666660105