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20630350582504 = 23138571867123979
BaseRepresentation
bin1001011000011011000001…
…01101111101001011101000
32201001020112121021220022021
410230031200231331023220
510201001424222120004
6111513241402434224
74226331214410115
oct454154055751350
981036477256267
1020630350582504
116634312087473
122392372802974
13b68583b346b0
1451472b32990c
1525b9994cdd54
hex12c360b7d2e8

20630350582504 has 64 divisors (see below), whose sum is σ = 41728722235200. Its totient is φ = 9505419047424.

The previous prime is 20630350582493. The next prime is 20630350582519. The reversal of 20630350582504 is 40528505303602.

It is a super-2 number, since 2×206303505825042 (a number of 27 digits) contains 22 as substring.

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, 166339987 + ... + 166463965.

It is an arithmetic number, because the mean of its divisors is an integer number (652011284925).

Almost surely, 220630350582504 is an apocalyptic number.

It is an amenable number.

20630350582504 is an abundant number, since it is smaller than the sum of its proper divisors (21098371652696).

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

20630350582504 is a wasteful number, since it uses less digits than its factorization.

20630350582504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126722 (or 126718 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 20630350582504 in words is "twenty trillion, six hundred thirty billion, three hundred fifty million, five hundred eighty-two thousand, five hundred four".

Divisors: 1 2 4 8 13 26 52 104 857 1714 1867 3428 3734 6856 7468 11141 14936 22282 24271 44564 48542 89128 97084 123979 194168 247958 495916 991832 1600019 1611727 3200038 3223454 6400076 6446908 12800152 12893816 20800247 41600494 83200988 106250003 166401976 212500006 231468793 425000012 462937586 850000024 925875172 1381250039 1851750344 2762500078 3009094309 5525000156 6018188618 11050000312 12036377236 24072754472 198368755601 396737511202 793475022404 1586950044808 2578793822813 5157587645626 10315175291252 20630350582504