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1375222452154 = 21765361941377
BaseRepresentation
bin10100000000110001101…
…001010100111110111010
311212110200121122221122121
4110000301221110332322
5140012423421432104
62531433553511454
7201233202654145
oct24006151247672
94773617587577
101375222452154
11490257249921
121a263b27258a
139c8b54b9265
144a7bda0b05c
1525b8cc7e254
hex14031a54fba

1375222452154 has 16 divisors (see below), whose sum is σ = 2187521705448. Its totient is φ = 646172434432.

The previous prime is 1375222452133. The next prime is 1375222452157. The reversal of 1375222452154 is 4512542225731.

It can be written as a sum of positive squares in 4 ways, for example, as 1158045015625 + 217177436529 = 1076125^2 + 466023^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1375222452154.

It is not an unprimeable number, because it can be changed into a prime (1375222452157) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30948487 + ... + 30992890.

Almost surely, 21375222452154 is an apocalyptic number.

1375222452154 is a deficient number, since it is larger than the sum of its proper divisors (812299253294).

1375222452154 is a wasteful number, since it uses less digits than its factorization.

1375222452154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61942049.

The product of its digits is 672000, while the sum is 43.

Adding to 1375222452154 its reverse (4512542225731), we get a palindrome (5887764677885).

The spelling of 1375222452154 in words is "one trillion, three hundred seventy-five billion, two hundred twenty-two million, four hundred fifty-two thousand, one hundred fifty-four".

Divisors: 1 2 17 34 653 1306 11101 22202 61941377 123882754 1053003409 2106006818 40447719181 80895438362 687611226077 1375222452154