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500131124507442 = 23434099472918451
BaseRepresentation
bin111000110110111011101101…
…0000001000111001100110010
32102120211001211222110210021010
41301231313122001013030302
51011023122020333214232
64531405022231011350
7210226165333036401
oct16155673201071462
92376731758423233
10500131124507442
111353a2467435a9a
1248114919809b56
131860b21651a12c
148b70693003638
153cc48593390cc
hex1c6ddda047332

500131124507442 has 32 divisors (see below), whose sum is σ = 1023773864889600. Its totient is φ = 162793663880400.

The previous prime is 500131124507401. The next prime is 500131124507459. The reversal of 500131124507442 is 244705421131005.

It is a happy number.

It is a super-2 number, since 2×5001311245074422 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500131124507442.

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, 235401684 + ... + 237516767.

It is an arithmetic number, because the mean of its divisors is an integer number (31992933277800).

Almost surely, 2500131124507442 is an apocalyptic number.

500131124507442 is an abundant number, since it is smaller than the sum of its proper divisors (523642740382158).

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

500131124507442 is a wasteful number, since it uses less digits than its factorization.

500131124507442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472922598.

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 500131124507442 its reverse (244705421131005), we get a palindrome (744836545638447).

The spelling of 500131124507442 in words is "five hundred trillion, one hundred thirty-one billion, one hundred twenty-four million, five hundred seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 43 86 129 258 4099 8198 12297 24594 176257 352514 528771 1057542 472918451 945836902 1418755353 2837510706 20335493393 40670986786 61006480179 122012960358 1938492730649 3876985461298 5815478191947 11630956383894 83355187417907 166710374835814 250065562253721 500131124507442