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1020123122300 = 225271143679313
BaseRepresentation
bin11101101100001000001…
…00111000101001111100
310121112010010121221202222
432312010010320221330
5113203203004403200
62100345454504512
7133462413320042
oct16660404705174
93545103557688
101020123122300
113636a49a9587
12145859205138
13752743215b9
1437534c1c392
151b808202d85
hexed84138a7c

1020123122300 has 36 divisors (see below), whose sum is σ = 2244845601936. Its totient is φ = 402302073600.

The previous prime is 1020123122299. The next prime is 1020123122309. The reversal of 1020123122300 is 32213210201.

It is a super-2 number, since 2×10201231223002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020123122309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71832557 + ... + 71846756.

It is an arithmetic number, because the mean of its divisors is an integer number (62356822276).

Almost surely, 21020123122300 is an apocalyptic number.

1020123122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020123122300 is an abundant number, since it is smaller than the sum of its proper divisors (1224722479636).

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

1020123122300 is a wasteful number, since it uses less digits than its factorization.

1020123122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143679398 (or 143679391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020123122300 its reverse (32213210201), we get a palindrome (1052336332501).

The spelling of 1020123122300 in words is "one trillion, twenty billion, one hundred twenty-three million, one hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 71 100 142 284 355 710 1420 1775 3550 7100 143679313 287358626 574717252 718396565 1436793130 2873586260 3591982825 7183965650 10201231223 14367931300 20402462446 40804924892 51006156115 102012312230 204024624460 255030780575 510061561150 1020123122300