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1057870047145 = 5892656189501
BaseRepresentation
bin11110110010011011111…
…01111110011110101001
310202010112210010102012111
433121031331332132221
5114313004213002040
62125551230242321
7136300002015442
oct17311575763651
93663483112174
101057870047145
1137870507693a
121510326563a1
13789ab67b4a2
14392b60942c9
151c7b6ed6dea
hexf64df7e7a9

1057870047145 has 16 divisors (see below), whose sum is σ = 1283770146960. Its totient is φ = 836746240000.

The previous prime is 1057870047137. The next prime is 1057870047149. The reversal of 1057870047145 is 5417400787501.

It can be written as a sum of positive squares in 8 ways, for example, as 107051987344 + 950818059801 = 327188^2 + 975099^2 .

It is not a de Polignac number, because 1057870047145 - 23 = 1057870047137 is a prime.

It is a super-2 number, since 2×10578700471452 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057870047149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11774895 + ... + 11864395.

It is an arithmetic number, because the mean of its divisors is an integer number (80235634185).

Almost surely, 21057870047145 is an apocalyptic number.

It is an amenable number.

1057870047145 is a deficient number, since it is larger than the sum of its proper divisors (225900099815).

1057870047145 is an equidigital number, since it uses as much as digits as its factorization.

1057870047145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116156.

The product of its (nonzero) digits is 1097600, while the sum is 49.

The spelling of 1057870047145 in words is "one trillion, fifty-seven billion, eight hundred seventy million, forty-seven thousand, one hundred forty-five".

Divisors: 1 5 89 445 26561 89501 132805 447505 2363929 7965589 11819645 39827945 2377236061 11886180305 211574009429 1057870047145