Search a number
-
+
47380439946 = 2372295557171
BaseRepresentation
bin101100001000000110…
…000010001110001010
311112022000122201210010
4230020012002032022
51234013343034241
633433303132350
73265063044300
oct541006021612
9145260581703
1047380439946
1119104028894
1292237440b6
13461113b9a8
14241687a270
1513748edd16
hexb0818238a

47380439946 has 48 divisors (see below), whose sum is σ = 114033169440. Its totient is φ = 13070463840.

The previous prime is 47380439923. The next prime is 47380439957. The reversal of 47380439946 is 64993408374.

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, 2770060 + ... + 2787111.

It is an arithmetic number, because the mean of its divisors is an integer number (2375691030).

Almost surely, 247380439946 is an apocalyptic number.

47380439946 is an abundant number, since it is smaller than the sum of its proper divisors (66652729494).

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

47380439946 is a wasteful number, since it uses less digits than its factorization.

47380439946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557219 (or 5557212 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 47380439946 in words is "forty-seven billion, three hundred eighty million, four hundred thirty-nine thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 14 21 29 42 49 58 87 98 147 174 203 294 406 609 1218 1421 2842 4263 8526 5557171 11114342 16671513 33343026 38900197 77800394 116700591 161157959 233401182 272301379 322315918 483473877 544602758 816904137 966947754 1128105713 1633808274 2256211426 3384317139 6768634278 7896739991 15793479982 23690219973 47380439946