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1000192820020 = 225431163014907
BaseRepresentation
bin11101000111000000010…
…00110100001100110100
310112121200011020200211021
432203200020310030310
5112341343330220040
62043252055150524
7132155465460352
oct16434010641464
93477604220737
101000192820020
113561a7854489
12141a16675444
137341920aa24
14365a3cba7d2
151b03d65324a
hexe8e0234334

1000192820020 has 24 divisors (see below), whose sum is σ = 2149251549984. Its totient is φ = 390773008416.

The previous prime is 1000192819991. The next prime is 1000192820041. The reversal of 1000192820020 is 200282910001.

It is a super-2 number, since 2×10001928200202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581506594 + ... + 581508313.

It is an arithmetic number, because the mean of its divisors is an integer number (89552147916).

Almost surely, 21000192820020 is an apocalyptic number.

1000192820020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000192820020 is an abundant number, since it is smaller than the sum of its proper divisors (1149058729964).

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

1000192820020 is a wasteful number, since it uses less digits than its factorization.

1000192820020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163014959 (or 1163014957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1000192820020 in words is "one trillion, one hundred ninety-two million, eight hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1163014907 2326029814 4652059628 5815074535 11630149070 23260298140 50009641001 100019282002 200038564004 250048205005 500096410010 1000192820020