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48829756990 = 25719193119013
BaseRepresentation
bin101101011110011110…
…101111011000111110
311200001000210200000011
4231132132233120332
51300000404210430
634233155053434
73346022041360
oct553636573076
9150030720004
1048829756990
1119788141173
129568ba127a
1347b2496a41
142513148d30
15140bc8622a
hexb5e7af63e

48829756990 has 64 divisors (see below), whose sum is σ = 105796938240. Its totient is φ = 15851445120.

The previous prime is 48829756951. The next prime is 48829757021. The reversal of 48829756990 is 9965792884.

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, 2558724 + ... + 2577736.

It is an arithmetic number, because the mean of its divisors is an integer number (1653077160).

Almost surely, 248829756990 is an apocalyptic number.

48829756990 is an abundant number, since it is smaller than the sum of its proper divisors (56967181250).

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

48829756990 is a wasteful number, since it uses less digits than its factorization.

48829756990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20977.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 48829756990 in words is "forty-eight billion, eight hundred twenty-nine million, seven hundred fifty-six thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 1931 3862 9655 13517 19013 19310 27034 36689 38026 67585 73378 95065 133091 135170 183445 190130 256823 266182 361247 366890 513646 665455 722494 1284115 1330910 1806235 2528729 2568230 3612470 5057458 12643645 25287290 36714103 73428206 183570515 256998721 367141030 513997442 697567957 1284993605 1395135914 2569987210 3487839785 4882975699 6975679570 9765951398 24414878495 48829756990