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48157949988 = 223226313273833
BaseRepresentation
bin101100110110011100…
…000000000000100100
311121022012200100001100
4230312130000000210
51242111413344423
634042400000100
73323253551361
oct546634000044
9147265610040
1048157949988
11194729a8675
129400000030
134706248cc5
14248bc2d468
1513bccd2343
hexb36700024

48157949988 has 72 divisors (see below), whose sum is σ = 122319445248. Its totient is φ = 15975393408.

The previous prime is 48157949981. The next prime is 48157949989. The reversal of 48157949988 is 88994975184.

48157949988 is a `hidden beast` number, since 4 + 8 + 1 + 57 + 9 + 499 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (48157949981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12562120 + ... + 12565952.

It is an arithmetic number, because the mean of its divisors is an integer number (1698881184).

Almost surely, 248157949988 is an apocalyptic number.

It is an amenable number.

48157949988 is an abundant number, since it is smaller than the sum of its proper divisors (74161495260).

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

48157949988 is a wasteful number, since it uses less digits than its factorization.

48157949988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433 (or 5428 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 72.

The spelling of 48157949988 in words is "forty-eight billion, one hundred fifty-seven million, nine hundred forty-nine thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 263 526 789 1052 1327 1578 2367 2654 3156 3833 3981 4734 5308 7666 7962 9468 11499 11943 15332 15924 22998 23886 34497 45996 47772 68994 137988 349001 698002 1008079 1047003 1396004 2016158 2094006 3024237 3141009 4032316 4188012 5086391 6048474 6282018 9072711 10172782 12096948 12564036 15259173 18145422 20345564 30518346 36290844 45777519 61036692 91555038 183110076 1337720833 2675441666 4013162499 5350883332 8026324998 12039487497 16052649996 24078974994 48157949988