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420061132123454 = 2317662556990731
BaseRepresentation
bin101111110000010110001101…
…0100100000110110100111110
32001002022110012112121020222002
41133200230122210012310332
5420024240144310422304
64045221230422422302
7154323262305306353
oct13740543244066476
92032273175536862
10420061132123454
11111931a20126908
123b1427b3291992
13150507969a8cb3
1475a30d285a62a
153386b49ce631e
hex17e0b1a906d3e

420061132123454 has 8 divisors (see below), whose sum is σ = 632079369158328. Its totient is φ = 209368009070680.

The previous prime is 420061132123441. The next prime is 420061132123483. The reversal of 420061132123454 is 454321231160024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331278494732 + ... + 331278495999.

It is an arithmetic number, because the mean of its divisors is an integer number (79009921144791).

Almost surely, 2420061132123454 is an apocalyptic number.

420061132123454 is a deficient number, since it is larger than the sum of its proper divisors (212018237034874).

420061132123454 is a wasteful number, since it uses less digits than its factorization.

420061132123454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662556991050.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 420061132123454 its reverse (454321231160024), we get a palindrome (874382363283478).

The spelling of 420061132123454 in words is "four hundred twenty trillion, sixty-one billion, one hundred thirty-two million, one hundred twenty-three thousand, four hundred fifty-four".

Divisors: 1 2 317 634 662556990731 1325113981462 210030566061727 420061132123454