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1024210142120 = 235119661240943
BaseRepresentation
bin11101110011101111010…
…11101000001110101000
310121220122222002001222102
432321313223220032220
5113240040244021440
62102303213512532
7133665611364524
oct16716753501650
93556588061872
101024210142120
11365401a19010
121465b9aa2748
1375775c90619
1437801944d84
151b996e16b15
hexee77ae83a8

1024210142120 has 64 divisors (see below), whose sum is σ = 2514241002240. Its totient is φ = 372399955200.

The previous prime is 1024210142101. The next prime is 1024210142129. The reversal of 1024210142120 is 212410124201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1024210142092 and 1024210142101.

It is not an unprimeable number, because it can be changed into a prime (1024210142129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4130369 + ... + 4371311.

It is an arithmetic number, because the mean of its divisors is an integer number (39285015660).

Almost surely, 21024210142120 is an apocalyptic number.

1024210142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024210142120 is an abundant number, since it is smaller than the sum of its proper divisors (1490030860120).

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

1024210142120 is a wasteful number, since it uses less digits than its factorization.

1024210142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250626 (or 250622 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1024210142120 its reverse (212410124201), we get a palindrome (1236620266321).

The spelling of 1024210142120 in words is "one trillion, twenty-four billion, two hundred ten million, one hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 9661 19322 38644 48305 77288 96610 106271 193220 212542 240943 386440 425084 481886 531355 850168 963772 1062710 1204715 1927544 2125420 2409430 2650373 4250840 4818860 5300746 9637720 10601492 13251865 21202984 26503730 53007460 106014920 2327750323 4655500646 9311001292 11638751615 18622002584 23277503230 25605253553 46555006460 51210507106 93110012920 102421014212 128026267765 204842028424 256052535530 512105071060 1024210142120