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42130124124 = 22311273397469
BaseRepresentation
bin100111001111001001…
…101010110101011100
311000202010021001110120
4213033021222311130
51142240302432444
631204310434540
73021011101134
oct471711526534
9130663231416
1042130124124
111695a3a1900
1281b9362a50
133c85489a3a
142079459ac4
1511689eeb19
hex9cf26ad5c

42130124124 has 72 divisors (see below), whose sum is σ = 109533192720. Its totient is φ = 12591786240.

The previous prime is 42130124119. The next prime is 42130124143. The reversal of 42130124124 is 42142103124.

It is a junction number, because it is equal to n+sod(n) for n = 42130124094 and 42130124103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92739 + ... + 304730.

Almost surely, 242130124124 is an apocalyptic number.

42130124124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42130124124 is an abundant number, since it is smaller than the sum of its proper divisors (67403068596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42130124124 is a wasteful number, since it uses less digits than its factorization.

42130124124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397571 (or 397558 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42130124124 its reverse (42142103124), we get a palindrome (84272227248).

The spelling of 42130124124 in words is "forty-two billion, one hundred thirty million, one hundred twenty-four thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 73 121 132 146 219 242 292 363 438 484 726 803 876 1452 1606 2409 3212 4818 8833 9636 17666 26499 35332 52998 105996 397469 794938 1192407 1589876 2384814 4372159 4769628 8744318 13116477 17488636 26232954 29015237 48093749 52465908 58030474 87045711 96187498 116060948 144281247 174091422 192374996 288562494 319167607 348182844 577124988 638335214 957502821 1276670428 1915005642 3510843677 3830011284 7021687354 10532531031 14043374708 21065062062 42130124124