Search a number
-
+
1231202314244 = 227269981716651
BaseRepresentation
bin10001111010101001011…
…000000110100000000100
311100200221121100220102202
4101322221120012200010
5130133000243023434
62341335002254032
7154644224666150
oct21725130064004
94320847326382
101231202314244
11435171677661
1217a7471b7318
138c142aa4746
144383a506060
152205e15aa7e
hex11ea9606804

1231202314244 has 48 divisors (see below), whose sum is σ = 2471958760320. Its totient is φ = 525611462400.

The previous prime is 1231202314241. The next prime is 1231202314267. The reversal of 1231202314244 is 4424132021321.

It is not an unprimeable number, because it can be changed into a prime (1231202314241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73933319 + ... + 73949969.

It is an arithmetic number, because the mean of its divisors is an integer number (51499140840).

Almost surely, 21231202314244 is an apocalyptic number.

1231202314244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231202314244 is an abundant number, since it is smaller than the sum of its proper divisors (1240756446076).

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

1231202314244 is a wasteful number, since it uses less digits than its factorization.

1231202314244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26748 (or 26746 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1231202314244 its reverse (4424132021321), we get a palindrome (5655334335565).

The spelling of 1231202314244 in words is "one trillion, two hundred thirty-one billion, two hundred two million, three hundred fourteen thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 269 538 1076 1883 3766 7532 9817 16651 19634 33302 39268 66604 68719 116557 137438 233114 274876 466228 2640773 4479119 5281546 8958238 10563092 17916476 18485411 31353833 36970822 62707666 73941644 125415332 163462867 326925734 653851468 1144240069 2288480138 4576960276 43971511223 87943022446 175886044892 307800578561 615601157122 1231202314244