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53452730880 = 293252319997
BaseRepresentation
bin110001110010000001…
…111111001000000000
312002222012202001222100
4301302001333020000
51333432344342010
640320021310400
73601415500353
oct616201771000
9162865661870
1053452730880
112073a74494a
12a439265400
13506b198c53
14283110629a
1515cca662c0
hexc7207f200

53452730880 has 120 divisors (see below), whose sum is σ = 185121920412. Its totient is φ = 14254055424.

The previous prime is 53452730867. The next prime is 53452730923. The reversal of 53452730880 is 8803725435.

53452730880 is a `hidden beast` number, since 53 + 452 + 73 + 0 + 8 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51830896896 + 1621833984 = 227664^2 + 40272^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1136959 + ... + 1183038.

Almost surely, 253452730880 is an apocalyptic number.

It is an amenable number.

53452730880 is an abundant number, since it is smaller than the sum of its proper divisors (131669189532).

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

53452730880 is a wasteful number, since it uses less digits than its factorization.

53452730880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320026 (or 2320007 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 53452730880 in words is "fifty-three billion, four hundred fifty-two million, seven hundred thirty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1152 1280 1440 1536 1920 2304 2560 2880 3840 4608 5760 7680 11520 23040 2319997 4639994 6959991 9279988 11599985 13919982 18559976 20879973 23199970 27839964 34799955 37119952 41759946 46399940 55679928 69599910 74239904 83519892 92799880 104399865 111359856 139199820 148479808 167039784 185599760 208799730 222719712 278399640 296959616 334079568 371199520 417599460 445439424 556799280 593919232 668159136 742399040 835198920 890878848 1113598560 1187838464 1336318272 1484798080 1670397840 1781757696 2227197120 2672636544 2969596160 3340795680 3563515392 4454394240 5345273088 5939192320 6681591360 8908788480 10690546176 13363182720 17817576960 26726365440 53452730880