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2155324396 = 221731695947
BaseRepresentation
bin1000000001110111…
…1010001111101100
312120012121211020111
42000131322033230
513403230340041
6553512025404
7104260645411
oct20035721754
95505554214
102155324396
11a06696135
12501992264
132846bb8a4
1416636c108
15c9344981
hex8077a3ec

2155324396 has 12 divisors (see below), whose sum is σ = 3993689448. Its totient is φ = 1014270272.

The previous prime is 2155324331. The next prime is 2155324397. The reversal of 2155324396 is 6934235512.

2155324396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2155324397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15847906 + ... + 15848041.

It is an arithmetic number, because the mean of its divisors is an integer number (332807454).

Almost surely, 22155324396 is an apocalyptic number.

It is an amenable number.

2155324396 is a deficient number, since it is larger than the sum of its proper divisors (1838365052).

2155324396 is a wasteful number, since it uses less digits than its factorization.

2155324396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31695968 (or 31695966 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 2155324396 is about 46425.4714138693. The cubic root of 2155324396 is about 1291.7274287855.

The spelling of 2155324396 in words is "two billion, one hundred fifty-five million, three hundred twenty-four thousand, three hundred ninety-six".

Divisors: 1 2 4 17 34 68 31695947 63391894 126783788 538831099 1077662198 2155324396