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30520232114445 = 32531106920466139
BaseRepresentation
bin1101111000010000010111…
…00101111111100100001101
311000001201001110012101010200
412330020023211333210031
513000020413410130240
6144524445010524113
76300004542403143
oct674101345774415
9130051043171120
1030520232114445
1197a7615405597
12350b037b96639
131405079084478
14777289637593
1537dd7bc27930
hex1bc20b97f90d

30520232114445 has 48 divisors (see below), whose sum is σ = 54659329420800. Its totient is φ = 15737641476480.

The previous prime is 30520232114441. The next prime is 30520232114461. The reversal of 30520232114445 is 54441123202503.

It is a happy number.

30520232114445 is a `hidden beast` number, since 3 + 0 + 5 + 202 + 3 + 2 + 1 + 1 + 4 + 445 = 666.

It is not a de Polignac number, because 30520232114445 - 22 = 30520232114441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520232114441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8741815 + ... + 11724324.

It is an arithmetic number, because the mean of its divisors is an integer number (1138736029600).

Almost surely, 230520232114445 is an apocalyptic number.

It is an amenable number.

30520232114445 is a deficient number, since it is larger than the sum of its proper divisors (24139097306355).

30520232114445 is a wasteful number, since it uses less digits than its factorization.

30520232114445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20467250 (or 20467247 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 30520232114445 its reverse (54441123202503), we get a palindrome (84961355316948).

The spelling of 30520232114445 in words is "thirty trillion, five hundred twenty billion, two hundred thirty-two million, one hundred fourteen thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1069 1395 3207 5345 9621 16035 33139 48105 99417 165695 298251 497085 1491255 20466139 61398417 102330695 184195251 306992085 634450309 920976255 1903350927 3172251545 5710052781 9516754635 21878302591 28550263905 65634907773 109391512955 196904723319 328174538865 678227380321 984523616595 2034682140963 3391136901605 6104046422889 10173410704815 30520232114445