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38813858610772 = 22797293118141299
BaseRepresentation
bin10001101001101000011100…
…10000010011111001010100
312002102120100112122021100111
420310310032100103321110
520041411240301021042
6214314501313452404
711114131412431510
oct1064641620237124
9162376315567314
1038813858610772
1111404957346413
12442a476871104
13188719221617b
1498285a781140
15474986a36517
hex234d0e413e54

38813858610772 has 96 divisors (see below), whose sum is σ = 78764217235200. Its totient is φ = 16392543989760.

The previous prime is 38813858610757. The next prime is 38813858610829. The reversal of 38813858610772 is 27701685831883.

It is a junction number, because it is equal to n+sod(n) for n = 38813858610698 and 38813858610707.

It is a congruent number.

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, 939804979 + ... + 939846277.

It is an arithmetic number, because the mean of its divisors is an integer number (820460596200).

Almost surely, 238813858610772 is an apocalyptic number.

It is an amenable number.

38813858610772 is an abundant number, since it is smaller than the sum of its proper divisors (39950358624428).

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

38813858610772 is a wasteful number, since it uses less digits than its factorization.

38813858610772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42881 (or 42879 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 38813858610772 in words is "thirty-eight trillion, eight hundred thirteen billion, eight hundred fifty-eight million, six hundred ten thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 97 194 293 388 586 679 1172 1181 1358 2051 2362 2716 4102 4724 8204 8267 16534 28421 33068 41299 56842 82598 113684 114557 165196 198947 229114 289093 346033 397894 458228 578186 692066 795788 801899 1156372 1384132 1603798 2422231 3207596 4006003 4844462 8012006 9688924 12100607 16024012 24201214 28042021 33565201 48402428 48774119 56084042 67130402 84704249 97548238 112168084 134260804 169408498 195096476 234956407 338816996 341418833 469912814 682837666 939825628 1173758879 1365675332 2347517758 4695035516 4731089543 8216312153 9462179086 14290816867 16432624306 18924358172 28581633734 32865248612 33117626801 57163267468 66235253602 100035718069 132470507204 200071436138 400142872276 1386209236099 2772418472198 5544836944396 9703464652693 19406929305386 38813858610772