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15106506156143 = 24448396178937
BaseRepresentation
bin1101101111010100000111…
…1011101110100001101111
31222111011112101110200212022
43123311001323232201233
53440001111033444033
652043455542100355
73116260206450263
oct333650173564157
958434471420768
1015106506156143
1148a46a6999026
12183b8aa41a6bb
138576ca92714c
143a3231a600a3
151b2e4cb69098
hexdbd41eee86f

15106506156143 has 4 divisors (see below), whose sum is σ = 15106514779920. Its totient is φ = 15106497532368.

The previous prime is 15106506156113. The next prime is 15106506156191. The reversal of 15106506156143 is 34165160560151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15106506156143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15106506156094 and 15106506156103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15106506156103) 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, 644630 + ... + 5534307.

It is an arithmetic number, because the mean of its divisors is an integer number (3776628694980).

Almost surely, 215106506156143 is an apocalyptic number.

15106506156143 is a deficient number, since it is larger than the sum of its proper divisors (8623777).

15106506156143 is an equidigital number, since it uses as much as digits as its factorization.

15106506156143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623776.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 15106506156143 in words is "fifteen trillion, one hundred six billion, five hundred six million, one hundred fifty-six thousand, one hundred forty-three".

Divisors: 1 2444839 6178937 15106506156143