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520123051022142 = 231955781110100089
BaseRepresentation
bin111011001000011001001010…
…1101100100001011100111110
32112012121021111201020202010210
41312100302111230201130332
51021133144002030202032
65042113121522213250
7214361436034430301
oct16620622554413476
92465537451222123
10520123051022142
111407aaa467a4027
124a4033b94b4226
131942b515c9ba19
149262138d08b38
15401e8da50b2cc
hex1d90c95b2173e

520123051022142 has 64 divisors (see below), whose sum is σ = 1098314490873600. Its totient is φ = 163752322740480.

The previous prime is 520123051022101. The next prime is 520123051022143. The reversal of 520123051022142 is 241220150321025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520123051022143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46446834 + ... + 56546922.

It is an arithmetic number, because the mean of its divisors is an integer number (17161163919900).

Almost surely, 2520123051022142 is an apocalyptic number.

520123051022142 is an abundant number, since it is smaller than the sum of its proper divisors (578191439851458).

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

520123051022142 is a wasteful number, since it uses less digits than its factorization.

520123051022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101481.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 520123051022142 in words is "five hundred twenty trillion, one hundred twenty-three billion, fifty-one million, twenty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 557 811 1114 1622 1671 2433 3342 4866 10583 15409 21166 30818 31749 46227 63498 92454 451727 903454 1355181 2710362 8582813 10100089 17165626 20200178 25748439 30300267 51496878 60600534 191901691 383803382 575705073 1151410146 5625749573 8191172179 11251499146 16382344358 16877248719 24573516537 33754497438 49147033074 106889241887 155632271401 213778483774 311264542802 320667725661 466896814203 641335451322 933793628406 4562482903703 9124965807406 13687448711109 27374897422218 86687175170357 173374350340714 260061525511071 520123051022142