Search a number
-
+
2215010101662 = 232294243314371
BaseRepresentation
bin100000001110111000111…
…000111110100110011110
321211202022212021201000200
4200032320320332212132
5242242320041223122
64413321145404330
7316013005133301
oct40167070764636
97752285251020
102215010101662
11784420503586
122b934a4996a6
13130b4a5284b7
14792c8264b38
153c93e0ae5ac
hex203b8e3e99e

2215010101662 has 24 divisors (see below), whose sum is σ = 4964677815240. Its totient is φ = 712876814160.

The previous prime is 2215010101649. The next prime is 2215010101663. The reversal of 2215010101662 is 2661010105122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215010101663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2121656664 + ... + 2121657707.

It is an arithmetic number, because the mean of its divisors is an integer number (206861575635).

Almost surely, 22215010101662 is an apocalyptic number.

2215010101662 is an abundant number, since it is smaller than the sum of its proper divisors (2749667713578).

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

2215010101662 is a wasteful number, since it uses less digits than its factorization.

2215010101662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243314408 (or 4243314405 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 2215010101662 its reverse (2661010105122), we get a palindrome (4876020206784).

The spelling of 2215010101662 in words is "two trillion, two hundred fifteen billion, ten million, one hundred one thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 4243314371 8486628742 12729943113 25459886226 38189829339 76379658678 123056116759 246112233518 369168350277 738336700554 1107505050831 2215010101662