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16106025512149 = 19847685553271
BaseRepresentation
bin1110101001011111100111…
…1011011110110011010101
32010000201110121110212201221
43222113321323132303111
54102340120012342044
654131001142450341
73251423220010006
oct352277173366325
963021417425657
1016106025512149
11514a588577a81
1219815574339b1
138caa3a456b51
143d977030d1ad
151cde4c0dc484
hexea5f9edecd5

16106025512149 has 4 divisors (see below), whose sum is σ = 16953711065440. Its totient is φ = 15258339958860.

The previous prime is 16106025512107. The next prime is 16106025512189. The reversal of 16106025512149 is 94121552060161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16106025512149 - 213 = 16106025503957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16106025512189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423842776617 + ... + 423842776654.

It is an arithmetic number, because the mean of its divisors is an integer number (4238427766360).

Almost surely, 216106025512149 is an apocalyptic number.

16106025512149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16106025512149 is a deficient number, since it is larger than the sum of its proper divisors (847685553291).

16106025512149 is an equidigital number, since it uses as much as digits as its factorization.

16106025512149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847685553290.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 16106025512149 in words is "sixteen trillion, one hundred six billion, twenty-five million, five hundred twelve thousand, one hundred forty-nine".

Divisors: 1 19 847685553271 16106025512149