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2020151246642 = 259149169367867
BaseRepresentation
bin11101011001011010011…
…001011011111100110010
321011010100210222020121022
4131121122121123330302
5231044232204343032
64144013352055442
7265644142163204
oct35313231337462
97133323866538
102020151246642
11709817793731
12287628694582
13118665386459
146dac0ca6774
1537837172512
hex1d65a65bf32

2020151246642 has 32 divisors (see below), whose sum is σ = 3104146584000. Its totient is φ = 985694470848.

The previous prime is 2020151246563. The next prime is 2020151246669. The reversal of 2020151246642 is 2466421510202.

It is a super-2 number, since 2×20201512466422 (a number of 25 digits) contains 22 as substring.

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, 29732393 + ... + 29800259.

It is an arithmetic number, because the mean of its divisors is an integer number (97004580750).

Almost surely, 22020151246642 is an apocalyptic number.

2020151246642 is a deficient number, since it is larger than the sum of its proper divisors (1083995337358).

2020151246642 is a wasteful number, since it uses less digits than its factorization.

2020151246642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69770.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 2020151246642 its reverse (2466421510202), we get a palindrome (4486572756844).

The spelling of 2020151246642 in words is "two trillion, twenty billion, one hundred fifty-one million, two hundred forty-six thousand, six hundred forty-two".

Divisors: 1 2 59 118 149 298 1693 3386 8791 17582 67867 99887 135734 199774 252257 504514 4004153 8008306 10112183 14883163 20224366 29766326 114898831 229797662 596618797 1193237594 6779031029 13558062058 17119925819 34239851638 1010075623321 2020151246642