Search a number
-
+
103031212120330 = 251317167279164419
BaseRepresentation
bin10111011011010011010010…
…110011001001100100001010
3111111210200120022200210121111
4113123103102303021210022
5102001030410300322310
61003043515130200534
730462521325063604
oct2733232263114412
9444720508623544
10103031212120330
112a91332325091a
12b68018058314a
134564a561b70b0
141b62a4711a174
15bda12926e28a
hex5db4d2cc990a

103031212120330 has 64 divisors (see below), whose sum is σ = 212736687932160. Its totient is φ = 35590113321984.

The previous prime is 103031212120267. The next prime is 103031212120387. The reversal of 103031212120330 is 33021212130301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139213140 + ... + 139951279.

It is an arithmetic number, because the mean of its divisors is an integer number (3324010748940).

Almost surely, 2103031212120330 is an apocalyptic number.

103031212120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103031212120330 is an abundant number, since it is smaller than the sum of its proper divisors (109705475811830).

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

103031212120330 is a wasteful number, since it uses less digits than its factorization.

103031212120330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279164623.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103031212120330 its reverse (33021212130301), we get a palindrome (136052424250631).

The spelling of 103031212120330 in words is "one hundred three trillion, thirty-one billion, two hundred twelve million, one hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 167 170 221 334 442 835 1105 1670 2171 2210 2839 4342 5678 10855 14195 21710 28390 36907 73814 184535 369070 279164419 558328838 1395822095 2791644190 3629137447 4745795123 7258274894 9491590246 18145687235 23728975615 36291374470 46620457973 47457951230 61695336599 93240915946 123390673198 233102289865 308476682995 466204579730 606065953649 616953365990 792547785541 1212131907298 1585095571082 3030329768245 3962738927705 6060659536490 7925477855410 10303121212033 20606242424066 51515606060165 103031212120330