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154100015564143 = 1114009092324013
BaseRepresentation
bin100011000010011100110100…
…101100000000010101101111
3202012121211002001002120121011
4203002130310230000111233
5130144233312441023033
61303424323030450051
744313234020060515
oct4302346454002557
9665554061076534
10154100015564143
11451124a4452560
1215349747503927
1367ca75246341c
142a0a6a28ac4b5
1512c3765b9accd
hex8c2734b0056f

154100015564143 has 4 divisors (see below), whose sum is σ = 168109107888168. Its totient is φ = 140090923240120.

The previous prime is 154100015564051. The next prime is 154100015564171. The reversal of 154100015564143 is 341465510001451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154100015564143 - 225 = 154099982009711 is a prime.

It is a super-2 number, since 2×1541000155641432 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154100015564096 and 154100015564105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154100015564543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7004546161996 + ... + 7004546162017.

It is an arithmetic number, because the mean of its divisors is an integer number (42027276972042).

Almost surely, 2154100015564143 is an apocalyptic number.

154100015564143 is a deficient number, since it is larger than the sum of its proper divisors (14009092324025).

154100015564143 is a wasteful number, since it uses less digits than its factorization.

154100015564143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14009092324024.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 154100015564143 its reverse (341465510001451), we get a palindrome (495565525565594).

The spelling of 154100015564143 in words is "one hundred fifty-four trillion, one hundred billion, fifteen million, five hundred sixty-four thousand, one hundred forty-three".

Divisors: 1 11 14009092324013 154100015564143