Search a number
-
+
1214016511205 = 52297271458427
BaseRepresentation
bin10001101010101001000…
…001011101110011100101
311022001120220020122200002
4101222221001131303211
5124342301211324310
62325413403031045
7153465314040131
oct21525101356345
94261526218602
101214016511205
11428952742453
1217734b80b485
138a634458014
1442a89c9c3c1
15218a54d0da5
hex11aa905dce5

1214016511205 has 16 divisors (see below), whose sum is σ = 1465195105920. Its totient is φ = 965641355712.

The previous prime is 1214016511181. The next prime is 1214016511217. The reversal of 1214016511205 is 5021156104121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1214016511205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103202 + ... + 1561628.

It is an arithmetic number, because the mean of its divisors is an integer number (91574694120).

Almost surely, 21214016511205 is an apocalyptic number.

It is an amenable number.

1214016511205 is a deficient number, since it is larger than the sum of its proper divisors (251178594715).

1214016511205 is a wasteful number, since it uses less digits than its factorization.

1214016511205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459388.

The product of its (nonzero) digits is 2400, while the sum is 29.

The spelling of 1214016511205 in words is "one trillion, two hundred fourteen billion, sixteen million, five hundred eleven thousand, two hundred five".

Divisors: 1 5 229 727 1145 3635 166483 832415 1458427 7292135 333979783 1060276429 1669898915 5301382145 242803302241 1214016511205