Search a number
-
+
64362471140 = 225112811041127
BaseRepresentation
bin111011111100010011…
…010101111011100100
320011010112100022010102
4323330103111323210
52023303243034030
645322343043232
74435650656312
oct737423257344
9204115308112
1064362471140
1125328a34210
1210582a40518
1360b94b0366
143187ddd0b2
151a1a726c45
hexefc4d5ee4

64362471140 has 48 divisors (see below), whose sum is σ = 147973440384. Its totient is φ = 23321222400.

The previous prime is 64362471133. The next prime is 64362471143. The reversal of 64362471140 is 4117426346.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64362471094 and 64362471103.

It is not an unprimeable number, because it can be changed into a prime (64362471143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458744 + ... + 582383.

It is an arithmetic number, because the mean of its divisors is an integer number (3082780008).

Almost surely, 264362471140 is an apocalyptic number.

It is an amenable number.

64362471140 is an abundant number, since it is smaller than the sum of its proper divisors (83610969244).

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

64362471140 is a wasteful number, since it uses less digits than its factorization.

64362471140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041428 (or 1041426 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 64362471140 its reverse (4117426346), we get a palindrome (68479897486).

The spelling of 64362471140 in words is "sixty-four billion, three hundred sixty-two million, four hundred seventy-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 281 562 1124 1405 2810 3091 5620 6182 12364 15455 30910 61820 1041127 2082254 4164508 5205635 10411270 11452397 20822540 22904794 45809588 57261985 114523970 229047940 292556687 585113374 1170226748 1462783435 2925566870 3218123557 5851133740 6436247114 12872494228 16090617785 32181235570 64362471140