Search a number
-
+
47966615946 = 23219140253263
BaseRepresentation
bin101100101011000010…
…000111100110001010
311120210212122120002100
4230223002013212022
51241213423202241
634011403014230
73315441336234
oct545302074612
9146725576070
1047966615946
11193849a4567
129367b0a376
1346a57072b2
142470665254
1513ab0da9b6
hexb2b08798a

47966615946 has 24 divisors (see below), whose sum is σ = 109397545920. Its totient is φ = 15147352296.

The previous prime is 47966615933. The next prime is 47966616007. The reversal of 47966615946 is 64951666974.

It is a super-2 number, since 2×479666159462 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70126290 + ... + 70126973.

It is an arithmetic number, because the mean of its divisors is an integer number (4558231080).

Almost surely, 247966615946 is an apocalyptic number.

47966615946 is an abundant number, since it is smaller than the sum of its proper divisors (61430929974).

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

47966615946 is a wasteful number, since it uses less digits than its factorization.

47966615946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140253290 (or 140253287 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 47966615946 in words is "forty-seven billion, nine hundred sixty-six million, six hundred fifteen thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 140253263 280506526 420759789 841519578 1262279367 2524558734 2664811997 5329623994 7994435991 15988871982 23983307973 47966615946