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130145445412 = 22176131679907
BaseRepresentation
bin111100100110101000…
…1011110011000100100
3110102221001121122012221
41321031101132120210
54113014213223122
6135442112322124
712255061014313
oct1711521363044
9412831548187
10130145445412
1150215790454
1221281543344
13c37106a5c8
14642892a27a
1535ba9e36c7
hex1e4d45e624

130145445412 has 48 divisors (see below), whose sum is σ = 245207305728. Its totient is φ = 60215800320.

The previous prime is 130145445383. The next prime is 130145445503. The reversal of 130145445412 is 214544541031.

It is a happy number.

It is a super-2 number, since 2×1301454454122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13131763 + ... + 13141669.

It is an arithmetic number, because the mean of its divisors is an integer number (5108485536).

Almost surely, 2130145445412 is an apocalyptic number.

It is an amenable number.

130145445412 is a deficient number, since it is larger than the sum of its proper divisors (115061860316).

130145445412 is a wasteful number, since it uses less digits than its factorization.

130145445412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156 (or 13154 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 130145445412 its reverse (214544541031), we get a palindrome (344689986443).

The spelling of 130145445412 in words is "one hundred thirty billion, one hundred forty-five million, four hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 4 17 34 61 68 122 244 1037 2074 3167 4148 6334 9907 12668 19814 39628 53839 107678 168419 193187 215356 336838 386374 604327 673676 772748 1208654 2417308 3284179 6568358 10273559 13136716 20547118 31375469 41094236 62750938 125501876 533382973 1066765946 1913903609 2133531892 3827807218 7655614436 32536361353 65072722706 130145445412