Search a number
-
+
488630072377460 = 225131879346432221
BaseRepresentation
bin110111100011010000000110…
…1111001000000000001110100
32101002002120121212211122201002
41233012200031321000001310
51003021203342012034320
64451121320101222432
7204631233463654136
oct15706401571000164
92332076555748632
10488630072377460
1113176893932a882
1246977946701a18
1317c85805cb83c0
148893b70a0b056
153b755c99be675
hex1bc680de40074

488630072377460 has 24 divisors (see below), whose sum is σ = 1105055702146536. Its totient is φ = 180417257493120.

The previous prime is 488630072377331. The next prime is 488630072377477. The reversal of 488630072377460 is 64773270036884.

It can be written as a sum of positive squares in 4 ways, for example, as 42103980382564 + 446526091994896 = 6488758^2 + 21131164^2 .

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939673215851 + ... + 939673216370.

It is an arithmetic number, because the mean of its divisors is an integer number (46043987589439).

Almost surely, 2488630072377460 is an apocalyptic number.

It is an amenable number.

488630072377460 is an abundant number, since it is smaller than the sum of its proper divisors (616425629769076).

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

488630072377460 is a wasteful number, since it uses less digits than its factorization.

488630072377460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879346432243 (or 1879346432241 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 65.

The spelling of 488630072377460 in words is "four hundred eighty-eight trillion, six hundred thirty billion, seventy-two million, three hundred seventy-seven thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1879346432221 3758692864442 7517385728884 9396732161105 18793464322210 24431503618873 37586928644420 48863007237746 97726014475492 122157518094365 244315036188730 488630072377460