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47216637808552 = 231723111733134079
BaseRepresentation
bin10101011110001011110101…
…11011001000111110101000
320012011212101200010220211201
422233011322323020332220
522142044133234333202
6244231005101533544
712642201205230352
oct1257057273107650
9205155350126751
1047216637808552
1114054511120413
125366a985742b4
132046682171294
14b934243500d2
1556d32e371387
hex2af17aec8fa8

47216637808552 has 128 divisors (see below), whose sum is σ = 97955646796800. Its totient is φ = 21222883934208.

The previous prime is 47216637808541. The next prime is 47216637808591. The reversal of 47216637808552 is 25580873661274.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11575540449 + ... + 11575544527.

It is an arithmetic number, because the mean of its divisors is an integer number (765278490600).

Almost surely, 247216637808552 is an apocalyptic number.

It is an amenable number.

47216637808552 is an abundant number, since it is smaller than the sum of its proper divisors (50739008988248).

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

47216637808552 is a wasteful number, since it uses less digits than its factorization.

47216637808552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555 (or 8551 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 47216637808552 in words is "forty-seven trillion, two hundred sixteen billion, six hundred thirty-seven million, eight hundred eight thousand, five hundred fifty-two".

Divisors: 1 2 4 8 17 23 34 46 68 92 136 184 391 782 1117 1564 2234 3128 3313 4079 4468 6626 8158 8936 13252 16316 18989 25691 26504 32632 37978 51382 56321 69343 75956 76199 93817 102764 112642 138686 151912 152398 187634 205528 225284 277372 304796 375268 436747 450568 554744 609592 750536 873494 1295383 1594889 1746988 2590766 3189778 3493976 3700621 4556243 5181532 6379556 7401242 9112486 10363064 12759112 13513727 14802484 18224972 27027454 29604968 36449944 54054908 62910557 77456131 85114283 104793589 108109816 125821114 154912262 170228566 209587178 229733359 251642228 309824524 310815721 340457132 419174356 459466718 503284456 619649048 621631442 680914264 838348712 918933436 1243262884 1446942811 1781491013 1837866872 2486525768 2893885622 3562982026 5283867257 5787771244 7125964052 10567734514 11575542488 14251928104 15094833059 21135469028 30189666118 42270938056 60379332236 120758664472 256612162003 347181160357 513224324006 694362320714 1026448648012 1388724641428 2052897296024 2777449282856 5902079726069 11804159452138 23608318904276 47216637808552