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42157431472436 = 2271505622552587
BaseRepresentation
bin10011001010111100010101…
…01110100100000100110100
312112021012200212212021211222
421211132022232210010310
521011201404424104221
6225354505012045512
711610526311014330
oct1145361256440464
9175235625767758
1042157431472436
111248395902a265
12488a486603898
131a6a575bc4a47
14a5a6056b07c0
154d1928e219ab
hex26578aba4134

42157431472436 has 12 divisors (see below), whose sum is σ = 84314862944928. Its totient is φ = 18067470631032.

The previous prime is 42157431472309. The next prime is 42157431472469. The reversal of 42157431472436 is 63427413475124.

42157431472436 is an admirable number.

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, 752811276266 + ... + 752811276321.

It is an arithmetic number, because the mean of its divisors is an integer number (7026238578744).

Almost surely, 242157431472436 is an apocalyptic number.

It is an amenable number.

42157431472436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42157431472436 is a wasteful number, since it uses less digits than its factorization.

42157431472436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505622552598 (or 1505622552596 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 53.

The spelling of 42157431472436 in words is "forty-two trillion, one hundred fifty-seven billion, four hundred thirty-one million, four hundred seventy-two thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 1505622552587 3011245105174 6022490210348 10539357868109 21078715736218 42157431472436