Search a number
-
+
105123000298 = 2714211758439
BaseRepresentation
bin110000111100111010…
…0011010111111101010
3101001100012110201111111
41201321310122333222
53210242442002143
6120143130420534
710411021521301
oct1417164327752
9331305421444
10105123000298
1140645214048
121845959174a
139bb3ca5a74
1451335bd438
152b03d8a99d
hex1879d1afea

105123000298 has 16 divisors (see below), whose sum is σ = 160285322880. Its totient is φ = 51698077200.

The previous prime is 105123000293. The next prime is 105123000349. The reversal of 105123000298 is 892000321501.

It is a super-2 number, since 2×1051230002982 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105123000293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819438 + ... + 939001.

It is an arithmetic number, because the mean of its divisors is an integer number (10017832680).

Almost surely, 2105123000298 is an apocalyptic number.

105123000298 is the 173307-th centered heptagonal number.

105123000298 is a deficient number, since it is larger than the sum of its proper divisors (55162322582).

105123000298 is a wasteful number, since it uses less digits than its factorization.

105123000298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758933.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 105123000298 its reverse (892000321501), we get a palindrome (997123321799).

The spelling of 105123000298 in words is "one hundred five billion, one hundred twenty-three million, two hundred ninety-eight", and thus it is an aban number.

Divisors: 1 2 71 142 421 842 29891 59782 1758439 3516878 124849169 249698338 740302819 1480605638 52561500149 105123000298