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814214811506 = 22719149726887
BaseRepresentation
bin10111101100100101111…
…11000000111101110010
32212211122000210222112212
423312102333000331302
5101320002442432011
61422013425052122
7112553000464115
oct13662277007562
92784560728485
10814214811506
11294341041aa8
12111972a87042
135ba1ac2a445
142b5a019857c
15162a620808b
hexbd92fc0f72

814214811506 has 8 divisors (see below), whose sum is σ = 1221771406080. Its totient is φ = 406957676148.

The previous prime is 814214811437. The next prime is 814214811523. The reversal of 814214811506 is 605118412418.

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

It is a super-2 number, since 2×8142148115062 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74858006 + ... + 74868881.

It is an arithmetic number, because the mean of its divisors is an integer number (152721425760).

Almost surely, 2814214811506 is an apocalyptic number.

814214811506 is a deficient number, since it is larger than the sum of its proper divisors (407556594574).

814214811506 is a wasteful number, since it uses less digits than its factorization.

814214811506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149729608.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 814214811506 in words is "eight hundred fourteen billion, two hundred fourteen million, eight hundred eleven thousand, five hundred six".

Divisors: 1 2 2719 5438 149726887 299453774 407107405753 814214811506