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214635660256 = 2529231257273
BaseRepresentation
bin1100011111100101001…
…0000100001111100000
3202112000022212021000101
43013321102010033200
512004033212112011
6242334031032144
721335605003303
oct3077122041740
9675008767011
10214635660256
1183032264396
123572106b654
1317317531084
14a561b84b3a
1558b32bb2c1
hex31f94843e0

214635660256 has 72 divisors (see below), whose sum is σ = 451756678464. Its totient is φ = 100274334720.

The previous prime is 214635660229. The next prime is 214635660271. The reversal of 214635660256 is 652066536412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705636 + ... + 962908.

It is an arithmetic number, because the mean of its divisors is an integer number (6274398312).

Almost surely, 2214635660256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214635660256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225878339232).

214635660256 is an abundant number, since it is smaller than the sum of its proper divisors (237121018208).

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

214635660256 is a wasteful number, since it uses less digits than its factorization.

214635660256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257372 (or 257335 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 214635660256 in words is "two hundred fourteen billion, six hundred thirty-five million, six hundred sixty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 29 31 32 58 62 116 124 232 248 464 496 841 899 928 992 1682 1798 3364 3596 6728 7192 13456 14384 26071 26912 28768 52142 104284 208568 257273 417136 514546 834272 1029092 2058184 4116368 7460917 7975463 8232736 14921834 15950926 29843668 31901852 59687336 63803704 119374672 127607408 216366593 231288427 238749344 255214816 432733186 462576854 865466372 925153708 1730932744 1850307416 3461865488 3700614832 6707364383 6923730976 7401229664 13414728766 26829457532 53658915064 107317830128 214635660256