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47497988860 = 2257733146279
BaseRepresentation
bin101100001111000110…
…011100101011111100
311112121012211211120121
4230033012130223330
51234233441120420
633453102424324
73301021146430
oct541706345374
9145535754517
1047497988860
1119164416053
129256b920a4
13462c5b806a
1424283189c0
15137edbd2aa
hexb0f19cafc

47497988860 has 48 divisors (see below), whose sum is σ = 114013186560. Its totient is φ = 16282451520.

The previous prime is 47497988803. The next prime is 47497988891. The reversal of 47497988860 is 6888979474.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 47497988860.

It is a congruent number.

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, 1003201 + ... + 1049479.

It is an arithmetic number, because the mean of its divisors is an integer number (2375274720).

Almost surely, 247497988860 is an apocalyptic number.

It is an amenable number.

47497988860 is an abundant number, since it is smaller than the sum of its proper divisors (66515197700).

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

47497988860 is a wasteful number, since it uses less digits than its factorization.

47497988860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53626 (or 53624 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 70.

The spelling of 47497988860 in words is "forty-seven billion, four hundred ninety-seven million, nine hundred eighty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7331 14662 29324 36655 46279 51317 73310 92558 102634 146620 185116 205268 231395 256585 323953 462790 513170 647906 925580 1026340 1295812 1619765 3239530 6479060 339271349 678542698 1357085396 1696356745 2374899443 3392713490 4749798886 6785426980 9499597772 11874497215 23748994430 47497988860