Search a number
-
+
11684095440 = 243561978649
BaseRepresentation
bin10101110000110110…
…10010010111010000
31010011021200112202120
422320123102113100
5142412112023230
65211222414240
7562354113123
oct127033222720
933137615676
1011684095440
114a56404926
122320b91380
131142888754
147cbaa83ba
15485b6e310
hex2b86d25d0

11684095440 has 80 divisors (see below), whose sum is σ = 36279672000. Its totient is φ = 3110685696.

The previous prime is 11684095433. The next prime is 11684095453. The reversal of 11684095440 is 4459048611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 11684095392 and 11684095401.

It is a congruent 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, 109236 + ... + 187884.

It is an arithmetic number, because the mean of its divisors is an integer number (453495900).

Almost surely, 211684095440 is an apocalyptic number.

11684095440 is a gapful number since it is divisible by the number (10) 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 11684095440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18139836000).

11684095440 is an abundant number, since it is smaller than the sum of its proper divisors (24595576560).

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

11684095440 is a wasteful number, since it uses less digits than its factorization.

11684095440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79284 (or 79278 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 11684095440 in words is "eleven billion, six hundred eighty-four million, ninety-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 619 1238 1857 2476 3095 3714 4952 6190 7428 9285 9904 12380 14856 18570 24760 29712 37140 49520 74280 78649 148560 157298 235947 314596 393245 471894 629192 786490 943788 1179735 1258384 1572980 1887576 2359470 3145960 3775152 4718940 6291920 9437880 18875760 48683731 97367462 146051193 194734924 243418655 292102386 389469848 486837310 584204772 730255965 778939696 973674620 1168409544 1460511930 1947349240 2336819088 2921023860 3894698480 5842047720 11684095440