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49308489984 = 2831342111731
BaseRepresentation
bin101101111011000000…
…111101100100000000
311201021101121211012210
4231323000331210000
51301440433134414
634352500022120
73363624151365
oct557300754400
9151241554183
1049308489984
1119a033a2376
129681391940
13485a713ac0
14255a96646c
151438cece59
hexb7b03d900

49308489984 has 144 divisors (see below), whose sum is σ = 141675068864. Its totient is φ = 15134515200.

The previous prime is 49308489983. The next prime is 49308490003. The reversal of 49308489984 is 48998480394.

It is not an unprimeable number, because it can be changed into a prime (49308489983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4197399 + ... + 4209129.

Almost surely, 249308489984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49308489984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70837534432).

49308489984 is an abundant number, since it is smaller than the sum of its proper divisors (92366578880).

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

49308489984 is a wasteful number, since it uses less digits than its factorization.

49308489984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184 (or 12170 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 66.

The spelling of 49308489984 in words is "forty-nine billion, three hundred eight million, four hundred eighty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 421 624 768 832 842 1248 1263 1664 1684 2496 2526 3328 3368 4992 5052 5473 6736 9984 10104 10946 11731 13472 16419 20208 21892 23462 26944 32838 35193 40416 43784 46924 53888 65676 70386 80832 87568 93848 107776 131352 140772 152503 161664 175136 187696 262704 281544 305006 323328 350272 375392 457509 525408 563088 610012 700544 750784 915018 1050816 1126176 1220024 1401088 1501568 1830036 2101632 2252352 2440048 3003136 3660072 4203264 4504704 4880096 4938751 7320144 9009408 9760192 9877502 14640288 14816253 19520384 19755004 29280576 29632506 39040768 39510008 58561152 59265012 64203763 79020016 117122304 118530024 128407526 158040032 192611289 237060048 256815052 316080064 385222578 474120096 513630104 632160128 770445156 948240192 1027260208 1264320256 1540890312 1896480384 2054520416 3081780624 3792960768 4109040832 6163561248 8218081664 12327122496 16436163328 24654244992 49308489984