Search a number
-
+
1220202212010 = 23583490041049
BaseRepresentation
bin10001110000011001101…
…110000010101010101010
311022122112222201210221220
4101300121232002222222
5124442433231241020
62332315252042510
7154104514446225
oct21603156025252
94278488653856
101220202212010
11430537379a81
12178597303436
138b0abb42702
14430b560a5bc
1521b1859b240
hex11c19b82aaa

1220202212010 has 32 divisors (see below), whose sum is σ = 2963768270400. Its totient is φ = 321466927488.

The previous prime is 1220202211997. The next prime is 1220202212027. The reversal of 1220202212010 is 102122020221.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 245018035 + ... + 245023014.

It is an arithmetic number, because the mean of its divisors is an integer number (92617758450).

Almost surely, 21220202212010 is an apocalyptic number.

1220202212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220202212010 is an abundant number, since it is smaller than the sum of its proper divisors (1743566058390).

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

1220202212010 is a wasteful number, since it uses less digits than its factorization.

1220202212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490041142.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220202212010 its reverse (102122020221), we get a palindrome (1322324232231).

The spelling of 1220202212010 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 490041049 980082098 1470123147 2450205245 2940246294 4900410490 7350615735 14701231470 40673407067 81346814134 122020221201 203367035335 244040442402 406734070670 610101106005 1220202212010