Search a number
-
+
2158610848 = 25312578467
BaseRepresentation
bin1000000010101001…
…1100100110100000
312120102210210101221
42000222130212200
513410101021343
6554110304424
7104330614042
oct20052344640
95512723357
102158610848
11a08530309
12502ab8114
1328529c734
14166985a92
15c97935ed
hex80a9c9a0

2158610848 has 48 divisors (see below), whose sum is σ = 4404443904. Its totient is φ = 1040302080.

The previous prime is 2158610827. The next prime is 2158610869. The reversal of 2158610848 is 8480168512.

It is an interprime number because it is at equal distance from previous prime (2158610827) and next prime (2158610869).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250711 + ... + 259177.

It is an arithmetic number, because the mean of its divisors is an integer number (91759248).

Almost surely, 22158610848 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 2158610848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202221952).

2158610848 is an abundant number, since it is smaller than the sum of its proper divisors (2245833056).

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

2158610848 is a wasteful number, since it uses less digits than its factorization.

2158610848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8765 (or 8757 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 2158610848 is about 46460.8528548497. The cubic root of 2158610848 is about 1292.3836400304.

The spelling of 2158610848 in words is "two billion, one hundred fifty-eight million, six hundred ten thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 257 496 514 992 1028 2056 4112 7967 8224 8467 15934 16934 31868 33868 63736 67736 127472 135472 254944 262477 270944 524954 1049908 2099816 2176019 4199632 4352038 8399264 8704076 17408152 34816304 67456589 69632608 134913178 269826356 539652712 1079305424 2158610848