Search a number
-
+
1368906216 = 23357037759
BaseRepresentation
bin101000110010111…
…1101100111101000
310112101211122022020
41101211331213220
510300414444331
6343500224440
745631340136
oct12145754750
93471748266
101368906216
11642791557
1232253b120
1318a7b29a2
14cdb3a756
15802a1c96
hex5197d9e8

1368906216 has 16 divisors (see below), whose sum is σ = 3422265600. Its totient is φ = 456302064.

The previous prime is 1368906193. The next prime is 1368906221. The reversal of 1368906216 is 6126098631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28518856 + ... + 28518903.

It is an arithmetic number, because the mean of its divisors is an integer number (213891600).

Almost surely, 21368906216 is an apocalyptic number.

It is an amenable number.

1368906216 is an abundant number, since it is smaller than the sum of its proper divisors (2053359384).

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

1368906216 is a wasteful number, since it uses less digits than its factorization.

1368906216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57037768 (or 57037764 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1368906216 is about 36998.7326269428. The cubic root of 1368906216 is about 1110.3448907980.

The spelling of 1368906216 in words is "one billion, three hundred sixty-eight million, nine hundred six thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 57037759 114075518 171113277 228151036 342226554 456302072 684453108 1368906216