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1420200123020 = 22573207026257
BaseRepresentation
bin10100101010101010100…
…001100001101010001100
312000202210012002100220022
4110222222201201222030
5141232032212414040
63004233025241312
7204414611603000
oct24525241415214
95022705070808
101420200123020
114a8337a43738
121ab2b2193238
13a3c028acaa3
144ca49306700
1526e2175b6b5
hex14aaa861a8c

1420200123020 has 48 divisors (see below), whose sum is σ = 3478041134400. Its totient is φ = 486925754112.

The previous prime is 1420200122941. The next prime is 1420200123037. The reversal of 1420200123020 is 203210020241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420200123020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103506269 + ... + 103519988.

It is an arithmetic number, because the mean of its divisors is an integer number (72459190300).

Almost surely, 21420200123020 is an apocalyptic number.

1420200123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420200123020 is an abundant number, since it is smaller than the sum of its proper divisors (2057841011380).

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

1420200123020 is a wasteful number, since it uses less digits than its factorization.

1420200123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207026287 (or 207026271 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1420200123020 its reverse (203210020241), we get a palindrome (1623410143261).

The spelling of 1420200123020 in words is "one trillion, four hundred twenty billion, two hundred million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3430 6860 207026257 414052514 828105028 1035131285 1449183799 2070262570 2898367598 4140525140 5796735196 7245918995 10144286593 14491837990 20288573186 28983675980 40577146372 50721432965 71010006151 101442865930 142020012302 202885731860 284040024604 355050030755 710100061510 1420200123020