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20125460523324 = 223132939311131671
BaseRepresentation
bin1001001001101110100101…
…11011001110100100111100
32122020222022221120102221210
410210313102323032210330
510114213420343221244
6110445301532324420
74145005446620232
oct444672273164474
978228287512853
1020125460523324
11645a183883152
122310548013710
13b2ca9086c4a0
144d81128a2952
1524d79940e4b9
hex124dd2ece93c

20125460523324 has 96 divisors (see below), whose sum is σ = 52328875415040. Its totient is φ = 5977390406400.

The previous prime is 20125460523317. The next prime is 20125460523341. The reversal of 20125460523324 is 42332506452102.

It is a super-2 number, since 2×201254605233242 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17218009 + ... + 18349679.

It is an arithmetic number, because the mean of its divisors is an integer number (545092452240).

Almost surely, 220125460523324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20125460523324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26164437707520).

20125460523324 is an abundant number, since it is smaller than the sum of its proper divisors (32203414891716).

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

20125460523324 is a wasteful number, since it uses less digits than its factorization.

20125460523324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135651 (or 1135649 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20125460523324 its reverse (42332506452102), we get a palindrome (62457966975426).

The spelling of 20125460523324 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty million, five hundred twenty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 174 348 377 754 1131 1508 2262 3931 4524 7862 11793 15724 23586 47172 51103 102206 113999 153309 204412 227998 306618 341997 455996 613236 683994 1131671 1367988 1481987 2263342 2963974 3395013 4445961 4526684 5927948 6790026 8891922 13580052 14711723 17783844 29423446 32818459 44135169 58846892 65636918 88270338 98455377 131273836 176540676 196910754 393821508 426639967 853279934 1279919901 1706559868 2559839802 4448598701 5119679604 8897197402 13345796103 17794394804 26691592206 53383184412 57831783113 115663566226 129009362329 173495349339 231327132452 258018724658 346990698678 387028086987 516037449316 693981397356 774056173974 1548112347948 1677121710277 3354243420554 5031365130831 6708486841108 10062730261662 20125460523324