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210634436012 = 2271113192145723
BaseRepresentation
bin1100010000101011001…
…0100110110110101100
3202010200110212000012212
43010022302212312230
511422334403423022
6240433014545552
721134501110430
oct3041262466654
9663613760185
10210634436012
11813697143a0
12349a50682b8
1316b2a5a1370
14a2a25d29c0
15572bda33e2
hex310aca6dac

210634436012 has 144 divisors (see below), whose sum is σ = 522340100352. Its totient is φ = 71765170560.

The previous prime is 210634435961. The next prime is 210634436039.

210634436012 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 210634436012.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372583 + ... + 1518305.

It is an arithmetic number, because the mean of its divisors is an integer number (3627361808).

Almost surely, 2210634436012 is an apocalyptic number.

210634436012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210634436012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261170050176).

210634436012 is an abundant number, since it is smaller than the sum of its proper divisors (311705664340).

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

210634436012 is a wasteful number, since it uses less digits than its factorization.

210634436012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145796 (or 145775 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

It can be divided in two parts, 210634 and 436012, that added together give a palindrome (646646).

The spelling of 210634436012 in words is "two hundred ten billion, six hundred thirty-four million, four hundred thirty-six thousand, twelve".

Divisors: 1 2 4 7 11 13 14 19 22 26 28 38 44 52 76 77 91 133 143 154 182 209 247 266 286 308 361 364 418 494 532 572 722 836 988 1001 1444 1463 1729 2002 2527 2717 2926 3458 3971 4004 4693 5054 5434 5852 6916 7942 9386 10108 10868 15884 18772 19019 27797 32851 38038 51623 55594 65702 76076 103246 111188 131404 145723 206492 291446 361361 582892 722722 1020061 1445444 1602953 1894399 2040122 2768737 3205906 3788798 4080244 5537474 6411812 7577596 11074948 11220671 13260793 19381159 20838389 22441342 26521586 30456107 35993581 38762318 41676778 44882684 52606003 53043172 60912214 71987162 77524636 83353556 105212006 121824428 143974324 145868723 210424012 213192749 251955067 291737446 368242021 395929391 426385498 503910134 578666033 583474892 683878039 736484042 791858782 852770996 1007820268 1157332066 1367756078 1472968084 1583717564 2314664132 2735512156 2771505737 4050662231 4787146273 5543011474 7522658429 8101324462 9574292546 11086022948 15045316858 16202648924 19148585092 30090633716 52658609003 105317218006 210634436012