Search a number
-
+
58138289664 = 2937131743569
BaseRepresentation
bin110110001001010011…
…111110011000000000
312120001202110010021120
4312021103332120000
51423031400232124
642413001152240
74125502210530
oct661123763000
9176052403246
1058138289664
1122724604584
12b32648b680
135636b41840
142b575154c0
1517a40a9d79
hexd894fe600

58138289664 has 640 divisors, whose sum is σ = 206896757760. Its totient is φ = 14070841344.

The previous prime is 58138289663. The next prime is 58138289687. The reversal of 58138289664 is 46698283185.

It is a junction number, because it is equal to n+sod(n) for n = 58138289598 and 58138289607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58138289663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102175972 + ... + 102176540.

It is an arithmetic number, because the mean of its divisors is an integer number (323276184).

Almost surely, 258138289664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58138289664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103448378880).

58138289664 is an abundant number, since it is smaller than the sum of its proper divisors (148758468096).

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

58138289664 is a wasteful number, since it uses less digits than its factorization.

58138289664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 654 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 58138289664 in words is "fifty-eight billion, one hundred thirty-eight million, two hundred eighty-nine thousand, six hundred sixty-four".