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69917500142 = 27217374724133
BaseRepresentation
bin100000100011101101…
…0000110001011101110
320200110200010000100022
41001013122012023232
52121142340001032
652041502402142
75023422642200
oct1010732061356
9220420100308
1069917500142
1127719673776
1211673290352
136793320479
143553a9c770
151c43266512
hex10476862ee

69917500142 has 96 divisors (see below), whose sum is σ = 135494840448. Its totient is φ = 26854861824.

The previous prime is 69917500127. The next prime is 69917500157. The reversal of 69917500142 is 24100571996.

It is an interprime number because it is at equal distance from previous prime (69917500127) and next prime (69917500157).

It is a super-2 number, since 2×699175001422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69917500093 and 69917500102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2885108 + ... + 2909240.

It is an arithmetic number, because the mean of its divisors is an integer number (1411404588).

Almost surely, 269917500142 is an apocalyptic number.

69917500142 is a deficient number, since it is larger than the sum of its proper divisors (65577340306).

69917500142 is a wasteful number, since it uses less digits than its factorization.

69917500142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24250 (or 24243 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 69917500142 in words is "sixty-nine billion, nine hundred seventeen million, five hundred thousand, one hundred forty-two".

Divisors: 1 2 7 14 17 34 37 47 49 74 94 98 119 238 259 329 518 629 658 799 833 1258 1598 1666 1739 1813 2303 3478 3626 4403 4606 5593 8806 11186 12173 24133 24346 29563 30821 39151 48266 59126 61642 78302 85211 168931 170422 206941 337862 410261 413882 820522 892921 1134251 1182517 1448587 1785842 2268502 2365034 2871827 2897174 5743654 6250447 7939757 12500894 15179657 15879514 19282267 20102789 30359314 38564534 40205578 41967287 43753129 55578299 83934574 87506258 106257599 111156598 134975869 212515198 269951738 293771009 587542018 713443879 743803193 944831083 1426887758 1487606386 1889662166 2056397063 4112794126 4994107153 9988214306 34958750071 69917500142