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12990687630335 = 526314296913121
BaseRepresentation
bin1011110100001010000101…
…0100100101001111111111
31200222220020100122010122022
42331002201110211033333
53200314412013132320
643343501200110355
72510355230641532
oct275024124451777
950886210563568
1012990687630335
114159357556618
1215598230053bb
1373302a598ccc
1432ca7733aa19
15177db6d56325
hexbd0a15253ff

12990687630335 has 16 divisors (see below), whose sum is σ = 15659050904640. Its totient is φ = 10345788257280.

The previous prime is 12990687630301. The next prime is 12990687630439. The reversal of 12990687630335 is 53303678609921.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-12990687630335 is a prime.

It is a super-2 number, since 2×129906876303352 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 1577426 + ... + 5335695.

It is an arithmetic number, because the mean of its divisors is an integer number (978690681540).

Almost surely, 212990687630335 is an apocalyptic number.

12990687630335 is a deficient number, since it is larger than the sum of its proper divisors (2668363274305).

12990687630335 is a wasteful number, since it uses less digits than its factorization.

12990687630335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914818.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 12990687630335 in words is "twelve trillion, nine hundred ninety billion, six hundred eighty-seven million, six hundred thirty thousand, three hundred thirty-five".

Divisors: 1 5 263 1315 1429 7145 375827 1879135 6913121 34565605 1818150823 9090754115 9878849909 49394249545 2598137526067 12990687630335