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2020978790202 = 231719813517551
BaseRepresentation
bin11101011010001011101…
…110010000111100111010
321011012111111010210221210
4131122023232100330322
5231102431032241302
64144231433143550
7266003511164511
oct35321356207472
97135444123853
102020978790202
1170a101927429
1228781985abb6
131187679611b8
146db5cb61678
1537884b3a66c
hex1d68bb90f3a

2020978790202 has 16 divisors (see below), whose sum is σ = 4279719791232. Its totient is φ = 634032561600.

The previous prime is 2020978790197. The next prime is 2020978790239.

2020978790202 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9906758674 + ... + 9906758877.

It is an arithmetic number, because the mean of its divisors is an integer number (267482486952).

Almost surely, 22020978790202 is an apocalyptic number.

2020978790202 is an abundant number, since it is smaller than the sum of its proper divisors (2258741001030).

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

2020978790202 is a wasteful number, since it uses less digits than its factorization.

2020978790202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19813517573.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 2020978790202 in words is "two trillion, twenty billion, nine hundred seventy-eight million, seven hundred ninety thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 19813517551 39627035102 59440552653 118881105306 336829798367 673659596734 1010489395101 2020978790202