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1012442320020 = 2235128669131143
BaseRepresentation
bin11101011101110100100…
…00111100110010010100
310120210021211211202211110
432232322100330302110
5113041440213220040
62053035400335020
7133101156504345
oct16567220746224
93523254752743
101012442320020
113604133280aa
12144274a74470
137461bc6b491
1437006ac40cc
151b508c59980
hexebba43cc94

1012442320020 has 48 divisors (see below), whose sum is σ = 2834882144640. Its totient is φ = 269980461696.

The previous prime is 1012442320009. The next prime is 1012442320069. The reversal of 1012442320020 is 200232442101.

It is a congruent number.

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, 7654569 + ... + 7785711.

It is an arithmetic number, because the mean of its divisors is an integer number (59060044680).

Almost surely, 21012442320020 is an apocalyptic number.

1012442320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012442320020 is an abundant number, since it is smaller than the sum of its proper divisors (1822439824620).

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

1012442320020 is a wasteful number, since it uses less digits than its factorization.

1012442320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259824 (or 259822 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1012442320020 its reverse (200232442101), we get a palindrome (1212674762121).

The spelling of 1012442320020 in words is "one trillion, twelve billion, four hundred forty-two million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 128669 131143 257338 262286 386007 393429 514676 524572 643345 655715 772014 786858 1286690 1311430 1544028 1573716 1930035 1967145 2573380 2622860 3860070 3934290 7720140 7868580 16874038667 33748077334 50622116001 67496154668 84370193335 101244232002 168740386670 202488464004 253110580005 337480773340 506221160010 1012442320020