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420124031432 = 23719394853413
BaseRepresentation
bin1100001110100010101…
…01111111100111001000
31111011102011111002101022
412013101111333213020
523340403223001212
6521000300012012
742232031226410
oct6072125774710
91434364432338
10420124031432
111521a0077036
126950a831008
1330804921b51
1416496b33640
15addd4b4772
hex61d157f9c8

420124031432 has 32 divisors (see below), whose sum is σ = 947648193600. Its totient is φ = 170576673984.

The previous prime is 420124031399. The next prime is 420124031471. The reversal of 420124031432 is 234130421024.

It is a super-2 number, since 2×4201240314322 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197425643 + ... + 197427770.

It is an arithmetic number, because the mean of its divisors is an integer number (29614006050).

Almost surely, 2420124031432 is an apocalyptic number.

It is an amenable number.

420124031432 is an abundant number, since it is smaller than the sum of its proper divisors (527524162168).

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

420124031432 is a wasteful number, since it uses less digits than its factorization.

420124031432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394853445 (or 394853441 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 420124031432 its reverse (234130421024), we get a palindrome (654254452456).

The spelling of 420124031432 in words is "four hundred twenty billion, one hundred twenty-four million, thirty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 394853413 789706826 1579413652 2763973891 3158827304 5527947782 7502214847 11055895564 15004429694 22111791128 30008859388 52515503929 60017718776 105031007858 210062015716 420124031432