Search a number
-
+
460686320640 = 2103557132313
BaseRepresentation
bin1101011010000110000…
…10110110010000000000
31122001010000120212200000
412231003002312100000
530021441144230030
6551345242400000
745166144054350
oct6550302662000
91561100525600
10460686320640
111684154662a7
127534ab00000
133459a328400
1418423c6cb60
15beb451a860
hex6b430b6400

460686320640 has 1584 divisors, whose sum is σ = 2055139003008. Its totient is φ = 96889208832.

The previous prime is 460686320587. The next prime is 460686320641. The reversal of 460686320640 is 46023686064.

460686320640 is a `hidden beast` number, since 4 + 6 + 0 + 6 + 8 + 632 + 0 + 6 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (460686320641) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1471841124 + ... + 1471841436.

Almost surely, 2460686320640 is an apocalyptic number.

460686320640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 460686320640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027569501504).

460686320640 is an abundant number, since it is smaller than the sum of its proper divisors (1594452682368).

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

460686320640 is a wasteful number, since it uses less digits than its factorization.

460686320640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 460686320640 in words is "four hundred sixty billion, six hundred eighty-six million, three hundred twenty thousand, six hundred forty".