Search a number
-
+
158965284340 = 2257948264217
BaseRepresentation
bin1001010000001100010…
…0011011110111110100
3120012022120020010221201
42110003010123313310
510101030103044330
6201005545422244
714325210423322
oct2240304336764
9505276203851
10158965284340
1161464838a55
122698519a984
1311cb4a96235
1479a032ad12
154205beeeca
hex250311bdf4

158965284340 has 12 divisors (see below), whose sum is σ = 333827097156. Its totient is φ = 63586113728.

The previous prime is 158965284319. The next prime is 158965284403. The reversal of 158965284340 is 43482569851.

It can be written as a sum of positive squares in 2 ways, for example, as 43162555536 + 115802728804 = 207756^2 + 340298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974132089 + ... + 3974132128.

It is an arithmetic number, because the mean of its divisors is an integer number (27818924763).

Almost surely, 2158965284340 is an apocalyptic number.

158965284340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158965284340 is an abundant number, since it is smaller than the sum of its proper divisors (174861812816).

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

158965284340 is a wasteful number, since it uses less digits than its factorization.

158965284340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948264226 (or 7948264224 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 158965284340 in words is "one hundred fifty-eight billion, nine hundred sixty-five million, two hundred eighty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7948264217 15896528434 31793056868 39741321085 79482642170 158965284340