Search a number
-
+
135827644992 = 26313353154159
BaseRepresentation
bin111111001111111110…
…1010110001001000000
3110222121001200021200020
41332133331112021000
54211133334114432
6142222013453440
712545635634664
oct1763775261100
9428531607606
10135827644992
115267118a066
12223a84a1280
13ca68345390
1468074508a4
1537ee7a322c
hex1f9ff56240

135827644992 has 112 divisors (see below), whose sum is σ = 388120615680. Its totient is φ = 41674457088.

The previous prime is 135827644987. The next prime is 135827645027. The reversal of 135827644992 is 299446728531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804009 + ... + 958167.

It is an arithmetic number, because the mean of its divisors is an integer number (3465362640).

Almost surely, 2135827644992 is an apocalyptic number.

135827644992 is a gapful number since it is divisible by the number (12) 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 135827644992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194060307840).

135827644992 is an abundant number, since it is smaller than the sum of its proper divisors (252292970688).

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

135827644992 is a wasteful number, since it uses less digits than its factorization.

135827644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154540 (or 154530 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The spelling of 135827644992 in words is "one hundred thirty-five billion, eight hundred twenty-seven million, six hundred forty-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 353 416 624 706 832 1059 1248 1412 2118 2496 2824 4236 4589 5648 8472 9178 11296 13767 16944 18356 22592 27534 33888 36712 55068 67776 73424 110136 146848 154159 220272 293696 308318 440544 462477 616636 881088 924954 1233272 1849908 2004067 2466544 3699816 4008134 4933088 6012201 7399632 8016268 9866176 12024402 14799264 16032536 24048804 29598528 32065072 48097608 54418127 64130144 96195216 108836254 128260288 163254381 192390432 217672508 326508762 384780864 435345016 653017524 707435651 870690032 1306035048 1414871302 1741380064 2122306953 2612070096 2829742604 3482760128 4244613906 5224140192 5659485208 8489227812 10448280384 11318970416 16978455624 22637940832 33956911248 45275881664 67913822496 135827644992