Search a number
-
+
188634133012 = 221323439443811
BaseRepresentation
bin1010111110101101111…
…0000111001000010100
3200000220020101211002211
42233223132013020110
511042310314224022
6222353552043204
716425346450363
oct2575336071024
9600806354084
10188634133012
1172aaa0610a6
1230685233504
1314a326744b0
1491b67b37da
154d90714e77
hex2beb787214

188634133012 has 96 divisors (see below), whose sum is σ = 373103216640. Its totient is φ = 82797137280.

The previous prime is 188634132991. The next prime is 188634133013. The reversal of 188634133012 is 210331436881.

It is a super-2 number, since 2×1886341330122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188634133013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232594087 + ... + 232594897.

It is an arithmetic number, because the mean of its divisors is an integer number (3886491840).

Almost surely, 2188634133012 is an apocalyptic number.

It is an amenable number.

188634133012 is a deficient number, since it is larger than the sum of its proper divisors (184469083628).

188634133012 is a wasteful number, since it uses less digits than its factorization.

188634133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

Adding to 188634133012 its reverse (210331436881), we get a palindrome (398965569893).

The spelling of 188634133012 in words is "one hundred eighty-eight billion, six hundred thirty-four million, one hundred thirty-three thousand, twelve".

Divisors: 1 2 4 13 23 26 46 52 92 299 439 443 598 811 878 886 1196 1622 1756 1772 3244 5707 5759 10097 10189 10543 11414 11518 18653 20194 20378 21086 22828 23036 37306 40388 40756 42172 74612 131261 132457 194477 242489 262522 264914 356029 359273 388954 484978 525044 529828 712058 718546 777908 969956 1424116 1437092 2528201 4472971 4628377 4670549 5056402 8188667 8263279 8945942 9256754 9341098 10112804 16377334 16526558 17891884 18513508 18682196 32754668 33053116 58148623 106452671 107422627 116297246 157720847 212905342 214845254 232594492 315441694 425810684 429690508 630883388 2050371011 3627579481 4100742022 7255158962 8201484044 14510317924 47158533253 94317066506 188634133012