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58286407680 = 21836561
BaseRepresentation
bin110110010010001001…
…000000000000000000
312120110002011022000000
4312102021000000000
51423332310021210
642435412000000
74132251201504
oct662211000000
9176402138000
1058286407680
11227a0180866
12b368000000
13565b731c37
142b6d070304
1517b20b6ac0
hexd92240000

58286407680 has 532 divisors, whose sum is σ = 213172997052. Its totient is φ = 15288238080.

The previous prime is 58286407657. The next prime is 58286407681. The reversal of 58286407680 is 8670468285.

58286407680 is a `hidden beast` number, since 5 + 82 + 86 + 407 + 6 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9364045824 + 48922361856 = 96768^2 + 221184^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (58286407681) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 955514850 + ... + 955514910.

Almost surely, 258286407680 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 58286407680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106586498526).

58286407680 is an abundant number, since it is smaller than the sum of its proper divisors (154886589372).

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

58286407680 is an frugal number, since it uses more digits than its factorization.

58286407680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 58286407680 in words is "fifty-eight billion, two hundred eighty-six million, four hundred seven thousand, six hundred eighty".