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30512552550103 = 13173141145374761
BaseRepresentation
bin1101111000000010000011…
…10110110001111011010111
311000000222020020202002022201
412330001001312301323113
512444404201423100403
6144521134555105331
76266313332234551
oct674010166617327
9130028206662281
1030512552550103
1197a43344aa1a8
123509654142247
131404424045960
14776b5b7424d1
1537da7c92621d
hex1bc041db1ed7

30512552550103 has 64 divisors (see below), whose sum is σ = 36816722740224. Its totient is φ = 25010270208000.

The previous prime is 30512552550089. The next prime is 30512552550121. The reversal of 30512552550103 is 30105525521503.

It is a cyclic number.

It is not a de Polignac number, because 30512552550103 - 25 = 30512552550071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30512552550503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408097243 + ... + 408172003.

It is an arithmetic number, because the mean of its divisors is an integer number (575261292816).

Almost surely, 230512552550103 is an apocalyptic number.

30512552550103 is a deficient number, since it is larger than the sum of its proper divisors (6304170190121).

30512552550103 is a wasteful number, since it uses less digits than its factorization.

30512552550103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76316.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 30512552550103 in words is "thirty trillion, five hundred twelve billion, five hundred fifty-two million, five hundred fifty thousand, one hundred three".

Divisors: 1 13 17 31 41 221 403 527 533 697 1271 1453 6851 9061 16523 18889 21607 24701 45043 59573 74761 280891 321113 585559 765731 774449 971893 1012741 1270937 1846763 2317591 3065201 9954503 13165633 16522181 24007919 30128683 31394971 39399047 39847613 52108417 95021231 108627733 408134623 512187611 677409421 1235276003 1412160529 1615360927 1846671461 3367459723 4453737053 20999692051 24006728993 43776976399 57246815291 57898581689 75713529901 138065848643 744208598783 984275888713 1794856032359 2347119426931 30512552550103