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1053684221157 = 32123794645129
BaseRepresentation
bin11110101010101000111…
…10010100010011100101
310201201202001202102102100
433111110132110103211
5114230421130034112
62124020021402313
7136061164050231
oct17252436242345
93651661672370
101053684221157
11376957300917
12150264869399
13784923c6189
1438dda1ab5c1
151c61e7a72dc
hexf5547944e5

1053684221157 has 12 divisors (see below), whose sum is σ = 1523218722220. Its totient is φ = 701888269248.

The previous prime is 1053684221119. The next prime is 1053684221221. The reversal of 1053684221157 is 7511224863501.

1053684221157 is a `hidden beast` number, since 1 + 0 + 53 + 68 + 422 + 115 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 304084970721 + 749599250436 = 551439^2 + 865794^2 .

It is not a de Polignac number, because 1053684221157 - 211 = 1053684219109 is a prime.

It is a super-2 number, since 2×10536842211572 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053684221357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47311432 + ... + 47333697.

Almost surely, 21053684221157 is an apocalyptic number.

It is an amenable number.

1053684221157 is a deficient number, since it is larger than the sum of its proper divisors (469534501063).

1053684221157 is a wasteful number, since it uses less digits than its factorization.

1053684221157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94646372 (or 94646369 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 1053684221157 in words is "one trillion, fifty-three billion, six hundred eighty-four million, two hundred twenty-one thousand, one hundred fifty-seven".

Divisors: 1 3 9 1237 3711 11133 94645129 283935387 851806161 117076024573 351228073719 1053684221157