Search a number
-
+
2148005902 = 27153428993
BaseRepresentation
bin1000000000000111…
…1111100000001110
312112200212000011011
42000001333200032
513344342142102
6553051115434
7104141514610
oct20001774016
95480760134
102148005902
11a02547699
124bb442b7a
13283028713
141653c4db0
15c889b2d7
hex8007f80e

2148005902 has 8 divisors (see below), whose sum is σ = 3682295856. Its totient is φ = 920573952.

The previous prime is 2148005837. The next prime is 2148005911. The reversal of 2148005902 is 2095008412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21480059022 = 9227858710053667208, which contains 22 as substring.

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, 76714483 + ... + 76714510.

It is an arithmetic number, because the mean of its divisors is an integer number (460286982).

Almost surely, 22148005902 is an apocalyptic number.

2148005902 is a deficient number, since it is larger than the sum of its proper divisors (1534289954).

2148005902 is a wasteful number, since it uses less digits than its factorization.

2148005902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153429002.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2148005902 is about 46346.5845775069. The cubic root of 2148005902 is about 1290.2637327092.

The spelling of 2148005902 in words is "two billion, one hundred forty-eight million, five thousand, nine hundred two".

Divisors: 1 2 7 14 153428993 306857986 1074002951 2148005902