Search a number
-
+
103000021131 = 376637739003
BaseRepresentation
bin101111111101101000…
…1111001100010001011
3100211212020201012120110
41133323101321202023
53141421001134011
6115152331525403
710304302506540
oct1377321714213
9324766635513
10103000021131
113a755910407
1217b665b9863
139936200787
144db1670bc7
152a2c7d4ba6
hex17fb47988b

103000021131 has 16 divisors (see below), whose sum is σ = 156976273664. Its totient is φ = 58848207264.

The previous prime is 103000021123. The next prime is 103000021151. The reversal of 103000021131 is 131120000301.

It is not a de Polignac number, because 103000021131 - 23 = 103000021123 is a prime.

It is a super-2 number, since 2×1030000211312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103000021151) 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, 230125 + ... + 508878.

It is an arithmetic number, because the mean of its divisors is an integer number (9811017104).

Almost surely, 2103000021131 is an apocalyptic number.

103000021131 is a deficient number, since it is larger than the sum of its proper divisors (53976252533).

103000021131 is an equidigital number, since it uses as much as digits as its factorization.

103000021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745650.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 103000021131 its reverse (131120000301), we get a palindrome (234120021432).

The spelling of 103000021131 in words is "one hundred three billion, twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 7 21 6637 19911 46459 139377 739003 2217009 5173021 15519063 4904762911 14714288733 34333340377 103000021131