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103031246146 = 2178813439649
BaseRepresentation
bin101111111110100100…
…1000000110101000010
3100211221102110121020111
41133331021000311002
53142001444334041
6115155405101534
710305132066553
oct1377511006502
9324842417214
10103031246146
113a7714a8204
1217b74b578aa
13993c81420a
144db587c32a
152a30401981
hex17fd240d42

103031246146 has 16 divisors (see below), whose sum is σ = 163823650200. Its totient is φ = 48430243840.

The previous prime is 103031246141. The next prime is 103031246179. The reversal of 103031246146 is 641642130301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 57453693025 + 45577553121 = 239695^2 + 213489^2 .

It is not an unprimeable number, because it can be changed into a prime (103031246141) 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, 1689871 + ... + 1749778.

Almost surely, 2103031246146 is an apocalyptic number.

103031246146 is a deficient number, since it is larger than the sum of its proper divisors (60792404054).

103031246146 is a wasteful number, since it uses less digits than its factorization.

103031246146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440549.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 103031246146 its reverse (641642130301), we get a palindrome (744673376447).

The spelling of 103031246146 in words is "one hundred three billion, thirty-one million, two hundred forty-six thousand, one hundred forty-six".

Divisors: 1 2 17 34 881 1762 14977 29954 3439649 6879298 58474033 116948066 3030330769 6060661538 51515623073 103031246146