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47398920688 = 2472103607967
BaseRepresentation
bin101100001001001100…
…100010000111110000
311112100022102122121001
4230021030202013300
51234033110430223
633435203211344
73265406115100
oct541114420760
9145308378531
1047398920688
1119113500729
129229976b54
134614c0c742
1424190cb200
15137634e9ad
hexb093221f0

47398920688 has 120 divisors (see below), whose sum is σ = 108155553792. Its totient is φ = 20062691712.

The previous prime is 47398920677. The next prime is 47398920691. The reversal of 47398920688 is 88602989374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49015981 + ... + 49016947.

Almost surely, 247398920688 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 47398920688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54077776896).

47398920688 is an abundant number, since it is smaller than the sum of its proper divisors (60756633104).

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

47398920688 is a wasteful number, since it uses less digits than its factorization.

47398920688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 47398920688 in words is "forty-seven billion, three hundred ninety-eight million, nine hundred twenty thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 103 112 196 206 392 412 607 721 784 824 967 1214 1442 1648 1934 2428 2884 3868 4249 4856 5047 5768 6769 7736 8498 9712 10094 11536 13538 15472 16996 20188 27076 29743 33992 40376 47383 54152 59486 62521 67984 80752 94766 99601 108304 118972 125042 189532 199202 237944 250084 379064 398404 437647 475888 500168 586969 697207 758128 796808 875294 1000336 1173938 1394414 1593616 1750588 2347876 2788828 3063529 3501176 4108783 4695752 4880449 5577656 6127058 7002352 8217566 9391504 9760898 11155312 12254116 16435132 19521796 24508232 28761481 32870264 39043592 49016464 57522962 60457807 65740528 78087184 115045924 120915614 230091848 241831228 423204649 460183696 483662456 846409298 967324912 1692818596 2962432543 3385637192 5924865086 6771274384 11849730172 23699460344 47398920688