Search a number
-
+
158945420292 = 22313245451691
BaseRepresentation
bin1001010000000111100…
…0101010010000000100
3120012021011211221121020
42110001320222100010
510101010011422132
6201003555551140
714324546531541
oct2240170522004
9505234757536
10158945420292
116145460088a
122697a5bb4b0
1311cb092c969
14799b839bc8
1542040c952c
hex2501e2a404

158945420292 has 12 divisors (see below), whose sum is σ = 370872647376. Its totient is φ = 52981806760.

The previous prime is 158945420267. The next prime is 158945420323. The reversal of 158945420292 is 292024549851.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6622725834 + ... + 6622725857.

It is an arithmetic number, because the mean of its divisors is an integer number (30906053948).

Almost surely, 2158945420292 is an apocalyptic number.

158945420292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158945420292 is an abundant number, since it is smaller than the sum of its proper divisors (211927227084).

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

158945420292 is a wasteful number, since it uses less digits than its factorization.

158945420292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245451698 (or 13245451696 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 158945420292 in words is "one hundred fifty-eight billion, nine hundred forty-five million, four hundred twenty thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 13245451691 26490903382 39736355073 52981806764 79472710146 158945420292