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1152171005 = 517101313381
BaseRepresentation
bin100010010101100…
…1011101111111101
32222022000100111012
41010223023233331
54324423433010
6310155005005
740360202066
oct10453135775
92868010435
101152171005
11541409147
12281a39765
131549192bb
14ad03d56d
156b23e005
hex44acbbfd

1152171005 has 16 divisors (see below), whose sum is σ = 1465489584. Its totient is φ = 866595840.

The previous prime is 1152170983. The next prime is 1152171029. The reversal of 1152171005 is 5001712511.

It can be written as a sum of positive squares in 8 ways, for example, as 272811289 + 879359716 = 16517^2 + 29654^2 .

It is not a de Polignac number, because 1152171005 - 216 = 1152105469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79415 + ... + 92795.

It is an arithmetic number, because the mean of its divisors is an integer number (91593099).

Almost surely, 21152171005 is an apocalyptic number.

It is an amenable number.

1152171005 is a deficient number, since it is larger than the sum of its proper divisors (313318579).

1152171005 is a wasteful number, since it uses less digits than its factorization.

1152171005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1152171005 is about 33943.6445450397. The cubic root of 1152171005 is about 1048.3484254739.

Adding to 1152171005 its reverse (5001712511), we get a palindrome (6153883516).

The spelling of 1152171005 in words is "one billion, one hundred fifty-two million, one hundred seventy-one thousand, five".

Divisors: 1 5 17 85 1013 5065 13381 17221 66905 86105 227477 1137385 13554953 67774765 230434201 1152171005