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48418487880 = 2335757641057
BaseRepresentation
bin101101000101111101…
…110111111001001000
311121222100221000211220
4231011331313321020
51243130113103010
634124304122040
73332566233150
oct550575677110
9147870830756
1048418487880
1119596a79644
129473306320
13474820b039
1424b468d760
1513d5ae8970
hexb45f77e48

48418487880 has 64 divisors (see below), whose sum is σ = 166006247040. Its totient is φ = 11067082752.

The previous prime is 48418487879. The next prime is 48418487891. The reversal of 48418487880 is 8878481484.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28819689 + ... + 28821368.

It is an arithmetic number, because the mean of its divisors is an integer number (2593847610).

Almost surely, 248418487880 is an apocalyptic number.

48418487880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48418487880 is an abundant number, since it is smaller than the sum of its proper divisors (117587759160).

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

48418487880 is a wasteful number, since it uses less digits than its factorization.

48418487880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57641078 (or 57641074 counting only the distinct ones).

The product of its (nonzero) digits is 14680064, while the sum is 60.

The spelling of 48418487880 in words is "forty-eight billion, four hundred eighteen million, four hundred eighty-seven thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 57641057 115282114 172923171 230564228 288205285 345846342 403487399 461128456 576410570 691692684 806974798 864615855 1152821140 1210462197 1383385368 1613949596 1729231710 2017436995 2305642280 2420924394 3227899192 3458463420 4034873990 4841848788 6052310985 6916926840 8069747980 9683697576 12104621970 16139495960 24209243940 48418487880