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13156332642215 = 5722329186143261
BaseRepresentation
bin1011111101110011001010…
…0010001001111110100111
31201120201210102221121011022
42333130302202021332213
53211023132124022330
643551534043401355
72525341121212400
oct277346242117647
951521712847138
1013156332642215
114212629878754
12158595122325b
137458381bcc39
14336aac8549a7
1517c35e1a9ae5
hexbf732889fa7

13156332642215 has 96 divisors (see below), whose sum is σ = 19835578546560. Its totient is φ = 8327017036800.

The previous prime is 13156332642137. The next prime is 13156332642253. The reversal of 13156332642215 is 51224623365131.

It is not a de Polignac number, because 13156332642215 - 218 = 13156332380071 is a prime.

It is a super-2 number, since 2×131563326422152 (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 95 ways as a sum of consecutive naturals, for example, 304093685 + ... + 304136945.

It is an arithmetic number, because the mean of its divisors is an integer number (206620609860).

Almost surely, 213156332642215 is an apocalyptic number.

13156332642215 is a deficient number, since it is larger than the sum of its proper divisors (6679245904345).

13156332642215 is a wasteful number, since it uses less digits than its factorization.

13156332642215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45193 (or 45186 counting only the distinct ones).

The product of its digits is 777600, while the sum is 44.

The spelling of 13156332642215 in words is "thirteen trillion, one hundred fifty-six billion, three hundred thirty-two million, six hundred forty-two thousand, two hundred fifteen".

Divisors: 1 5 7 23 29 35 49 115 145 161 203 245 667 805 1015 1127 1421 1861 3335 4669 5635 7105 9305 13027 23345 32683 42803 43261 53969 65135 91189 163415 214015 216305 269845 299621 302827 377783 455945 995003 1241287 1254569 1498105 1514135 1888915 2097347 2119789 2644481 4975015 6206435 6272845 6965021 8689009 8781983 10486735 10598945 13222405 28855087 34825105 43445045 43909915 48755147 60823063 61473881 80508721 144275435 201985609 243775735 304115315 307369405 402543605 563561047 1009928045 1413899263 1851700583 2334752909 2817805235 3944927329 7069496315 9258502915 11673764545 12961904081 16343270363 19724636645 53699316907 64809520405 81716351815 90733328567 114402892541 268496584535 375895218349 453666642835 572014462705 1879476091745 2631266528443 13156332642215