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105442154550451 = 376742534148669
BaseRepresentation
bin10111111110011000101010…
…001010101001010010110011
3111211100011122001020001210001
4113332120222022221102303
5102310031013031103301
61012131242421450431
731131641612442415
oct2776305212512263
9454304561201701
10105442154550451
1130662848410784
12b9ab490270a17
1346ab1ca0a8304
141c075db1349b5
15c2cbd4611c01
hex5fe62a2a94b3

105442154550451 has 8 divisors (see below), whose sum is σ = 109908240163280. Its totient is φ = 101061137235168.

The previous prime is 105442154550449. The next prime is 105442154550539. The reversal of 105442154550451 is 154055451244501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105442154550451 - 21 = 105442154550449 is a prime.

It is a super-2 number, since 2×1054421545504512 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105442154550401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21267071856 + ... + 21267076813.

It is an arithmetic number, because the mean of its divisors is an integer number (13738530020410).

Almost surely, 2105442154550451 is an apocalyptic number.

105442154550451 is a deficient number, since it is larger than the sum of its proper divisors (4466085612829).

105442154550451 is an equidigital number, since it uses as much as digits as its factorization.

105442154550451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42534148773.

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 105442154550451 in words is "one hundred five trillion, four hundred forty-two billion, one hundred fifty-four million, five hundred fifty thousand, four hundred fifty-one".

Divisors: 1 37 67 2479 42534148669 1573763500753 2849787960823 105442154550451