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130521124454 = 271923200310651
BaseRepresentation
bin111100110001110101…
…0100100111001100110
3110110220020112002222112
41321203222210321212
54114301401440304
6135543252401022
712300302152430
oct1714352447146
9413806462875
10130521124454
11503988546a6
1221367316172
13c400b44ab6
14646279d650
1535dd9a0b6e
hex1e63aa4e66

130521124454 has 64 divisors (see below), whose sum is σ = 245912924160. Its totient is φ = 50659408800.

The previous prime is 130521124423. The next prime is 130521124529. The reversal of 130521124454 is 454421125031.

It is a self number, because there is not a number n which added to its sum of digits gives 130521124454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12249029 + ... + 12259679.

It is an arithmetic number, because the mean of its divisors is an integer number (3842389440).

Almost surely, 2130521124454 is an apocalyptic number.

130521124454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130521124454 is a deficient number, since it is larger than the sum of its proper divisors (115391799706).

130521124454 is a wasteful number, since it uses less digits than its factorization.

130521124454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12705.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 130521124454 its reverse (454421125031), we get a palindrome (584942249485).

The spelling of 130521124454 in words is "one hundred thirty billion, five hundred twenty-one million, one hundred twenty-four thousand, four hundred fifty-four".

Divisors: 1 2 7 14 19 23 38 46 133 161 266 322 437 874 2003 3059 4006 6118 10651 14021 21302 28042 38057 46069 74557 76114 92138 149114 202369 244973 266399 322483 404738 489946 532798 644966 875311 1416583 1714811 1750622 2833166 3429622 4654487 6127177 9308974 12254354 21333953 32581409 42667906 65162818 149337671 298675342 405345107 490680919 810690214 981361838 2837415749 3434766433 5674831498 6869532866 9322937461 18645874922 65260562227 130521124454