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16048505920 = 265172950093
BaseRepresentation
bin11101111001001000…
…01100010001000000
31112102110002120102011
432330210030101000
5230331404142140
611212251102304
71105461022666
oct167444142100
945373076364
1016048505920
116895a66037
12313a741994
131689b3a565
14ac359ac36
1563ddc7cea
hex3bc90c440

16048505920 has 56 divisors (see below), whose sum is σ = 40463489304. Its totient is φ = 6041788416.

The previous prime is 16048505897. The next prime is 16048505927. The reversal of 16048505920 is 2950584061.

It can be written as a sum of positive squares in 4 ways, for example, as 2760871936 + 13287633984 = 52544^2 + 115272^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (16048505927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469607 + ... + 1480486.

It is an arithmetic number, because the mean of its divisors is an integer number (722562309).

Almost surely, 216048505920 is an apocalyptic number.

16048505920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16048505920 is an abundant number, since it is smaller than the sum of its proper divisors (24414983384).

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

16048505920 is a wasteful number, since it uses less digits than its factorization.

16048505920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950127 (or 2950117 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 16048505920 in words is "sixteen billion, forty-eight million, five hundred five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 272 320 340 544 680 1088 1360 2720 5440 2950093 5900186 11800372 14750465 23600744 29500930 47201488 50151581 59001860 94402976 100303162 118003720 188805952 200606324 236007440 250757905 401212648 472014880 501515810 802425296 944029760 1003031620 1604850592 2006063240 3209701184 4012126480 8024252960 16048505920