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420122324420 = 225476110976679
BaseRepresentation
bin1100001110100010011…
…11011110110111000100
31111011102001021100210122
412013101033132313010
523340402303340140
6521000155241112
742232010556611
oct6072117366704
91434361240718
10420122324420
1115219a110587
126950a149198
1330804474b96
141649680b508
15addd278ab5
hex61d13dedc4

420122324420 has 96 divisors (see below), whose sum is σ = 916771322880. Its totient is φ = 161605463040.

The previous prime is 420122324411. The next prime is 420122324443. The reversal of 420122324420 is 24423221024.

It is a self number, because there is not a number n which added to its sum of digits gives 420122324420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62898641 + ... + 62905319.

It is an arithmetic number, because the mean of its divisors is an integer number (9549701280).

Almost surely, 2420122324420 is an apocalyptic number.

It is an amenable number.

420122324420 is an abundant number, since it is smaller than the sum of its proper divisors (496648998460).

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

420122324420 is a wasteful number, since it uses less digits than its factorization.

420122324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893 (or 7891 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 420122324420 its reverse (24423221024), we get a palindrome (444545545444).

The spelling of 420122324420 in words is "four hundred twenty billion, one hundred twenty-two million, three hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 61 94 122 188 235 244 305 470 610 940 1097 1220 2194 2867 4388 5485 5734 6679 10970 11468 13358 14335 21940 26716 28670 33395 51559 57340 66790 66917 103118 133580 133834 206236 257795 267668 313913 334585 407419 515590 627826 669170 814838 1031180 1255652 1338340 1569565 1629676 2037095 3139130 3145099 4074190 6278260 6290198 7326863 8148380 12580396 14653726 15725495 19148693 29307452 31450990 36634315 38297386 62901980 73268630 76594772 95743465 146537260 191486930 344362561 382973860 446938643 688725122 893877286 1377450244 1721812805 1787754572 2234693215 3443625610 4469386430 6887251220 8938772860 21006116221 42012232442 84024464884 105030581105 210061162210 420122324420