Search a number
-
+
54768713760 = 253454225981
BaseRepresentation
bin110011000000011110…
…000100000000100000
312020100220222221010000
4303000132010000200
51344131242320020
641054351340000
73646135246215
oct630036040040
9166326887100
1054768713760
1121255569302
12a745b21600
13521aa0ba47
142917bc7b0c
151658362090
hexcc0784020

54768713760 has 120 divisors (see below), whose sum is σ = 193287964716. Its totient is φ = 14604986880.

The previous prime is 54768713749. The next prime is 54768713789. The reversal of 54768713760 is 6731786745.

54768713760 is a `hidden beast` number, since 5 + 476 + 87 + 1 + 37 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50965771536 + 3802942224 = 225756^2 + 61668^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×547687137603 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 54768713697 and 54768713706.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2100031 + ... + 2125950.

Almost surely, 254768713760 is an apocalyptic number.

It is an amenable number.

54768713760 is an abundant number, since it is smaller than the sum of its proper divisors (138519250956).

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

54768713760 is a wasteful number, since it uses less digits than its factorization.

54768713760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226008 (or 4225991 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 54768713760 in words is "fifty-four billion, seven hundred sixty-eight million, seven hundred thirteen thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1620 2160 2592 3240 4320 6480 12960 4225981 8451962 12677943 16903924 21129905 25355886 33807848 38033829 42259810 50711772 63389715 67615696 76067658 84519620 101423544 114101487 126779430 135231392 152135316 169039240 190169145 202847088 228202974 253558860 304270632 338078480 342304461 380338290 405694176 456405948 507117720 570507435 608541264 676156960 684608922 760676580 912811896 1014235440 1141014870 1217082528 1369217844 1521353160 1711522305 1825623792 2028470880 2282029740 2738435688 3042706320 3423044610 3651247584 4564059480 5476871376 6085412640 6846089220 9128118960 10953742752 13692178440 18256237920 27384356880 54768713760