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12958430054 = 244982717449
BaseRepresentation
bin11000001000110000…
…11111001101100110
31020110002120110012212
430010120133031212
5203014324230204
65541504043422
7636056560313
oct140430371546
936402513185
1012958430054
11554a772329
122617903572
1312b68a86bb
148ad027d0a
1550c98ec6e
hex30461f366

12958430054 has 16 divisors (see below), whose sum is σ = 19505610000. Its totient is φ = 6456597504.

The previous prime is 12958430041. The next prime is 12958430059. The reversal of 12958430054 is 45003485921.

It is a junction number, because it is equal to n+sod(n) for n = 12958429993 and 12958430020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958430059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733922 + ... + 751370.

It is an arithmetic number, because the mean of its divisors is an integer number (1219100625).

Almost surely, 212958430054 is an apocalyptic number.

12958430054 is a deficient number, since it is larger than the sum of its proper divisors (6547179946).

12958430054 is a wasteful number, since it uses less digits than its factorization.

12958430054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18727.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 12958430054 in words is "twelve billion, nine hundred fifty-eight million, four hundred thirty thousand, fifty-four".

Divisors: 1 2 449 827 898 1654 17449 34898 371323 742646 7834601 14430323 15669202 28860646 6479215027 12958430054