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48938722180 = 22519128786111
BaseRepresentation
bin101101100100111110…
…011010001110000100
311200022121211200010221
4231210332122032010
51300211303102210
634252050354124
73351514163215
oct554476321604
9150277750127
1048938722180
11198336a6347
12959958b944
1347cbc2909a
1425237d140c
15141660c1da
hexb64f9a384

48938722180 has 24 divisors (see below), whose sum is σ = 108180334080. Its totient is φ = 18545199840.

The previous prime is 48938722141. The next prime is 48938722207. The reversal of 48938722180 is 8122783984.

It is a happy number.

48938722180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×489387221802 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64392676 + ... + 64393435.

It is an arithmetic number, because the mean of its divisors is an integer number (4507513920).

Almost surely, 248938722180 is an apocalyptic number.

It is an amenable number.

48938722180 is an abundant number, since it is smaller than the sum of its proper divisors (59241611900).

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

48938722180 is a wasteful number, since it uses less digits than its factorization.

48938722180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128786139 (or 128786137 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 48938722180 in words is "forty-eight billion, nine hundred thirty-eight million, seven hundred twenty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 128786111 257572222 515144444 643930555 1287861110 2446936109 2575722220 4893872218 9787744436 12234680545 24469361090 48938722180