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48888880000 = 2754611111
BaseRepresentation
bin101101100010000000…
…010001101110000000
311200012011001102112021
4231202000101232000
51300111023130000
634243110211224
73350340423562
oct554200215600
9150164042467
1048888880000
1119808553164
129584953b14
1347c17c777c
14251ad39332
15141206411a
hexb62011b80

48888880000 has 80 divisors (see below), whose sum is σ = 121706010360. Its totient is φ = 19555520000.

The previous prime is 48888879961. The next prime is 48888880003. The reversal of 48888880000 is 8888884.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 48888880000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48888880003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 225556 + ... + 385555.

Almost surely, 248888880000 is an apocalyptic number.

48888880000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48888880000 is an abundant number, since it is smaller than the sum of its proper divisors (72817130360).

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

48888880000 is an frugal number, since it uses more digits than its factorization.

48888880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611145 (or 611118 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 52.

It can be divided in two parts, 4888 and 8880000, that added together give a palindrome (8884888).

The spelling of 48888880000 in words is "forty-eight billion, eight hundred eighty-eight million, eight hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1600 2000 2500 3200 4000 5000 8000 10000 16000 20000 40000 80000 611111 1222222 2444444 3055555 4888888 6111110 9777776 12222220 15277775 19555552 24444440 30555550 39111104 48888880 61111100 76388875 78222208 97777760 122222200 152777750 195555520 244444400 305555500 381944375 391111040 488888800 611111000 763888750 977777600 1222222000 1527777500 1955555200 2444444000 3055555000 4888888000 6111110000 9777776000 12222220000 24444440000 48888880000