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811530136614 = 23379356873411
BaseRepresentation
bin10111100111100101111…
…01110010110000100110
32212120200221010100221110
423303302331302300212
5101244003203332424
61420451203125450
7112426321226451
oct13636275626046
92776627110843
10811530136614
1129319367301a
12111343973886
135b6b097b312
142b3c77d4498
151619a69dc29
hexbcf2f72c26

811530136614 has 16 divisors (see below), whose sum is σ = 1627342758720. Its totient is φ = 269796297960.

The previous prime is 811530136583. The next prime is 811530136649. The reversal of 811530136614 is 416631035118.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 178434432 + ... + 178438979.

It is an arithmetic number, because the mean of its divisors is an integer number (101708922420).

Almost surely, 2811530136614 is an apocalyptic number.

811530136614 is an abundant number, since it is smaller than the sum of its proper divisors (815812622106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811530136614 is a wasteful number, since it uses less digits than its factorization.

811530136614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356873795.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 811530136614 in words is "eight hundred eleven billion, five hundred thirty million, one hundred thirty-six thousand, six hundred fourteen".

Divisors: 1 2 3 6 379 758 1137 2274 356873411 713746822 1070620233 2141240466 135255022769 270510045538 405765068307 811530136614