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53961037189 = 3143311713433
BaseRepresentation
bin110010010000010101…
…000001010110000101
312011021122012201010221
4302100111001112011
51341003011142224
640442300144341
73620130151063
oct622025012605
9164248181127
1053961037189
1120980664a04
12a55b5380b1
13511c59ba07
14287c821033
15160c4c06e4
hexc90541585

53961037189 has 16 divisors (see below), whose sum is σ = 55894311424. Its totient is φ = 52040102400.

The previous prime is 53961037159. The next prime is 53961037201. The reversal of 53961037189 is 98173016935.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53961037189 - 29 = 53961036677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53961037159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15716617 + ... + 15720049.

It is an arithmetic number, because the mean of its divisors is an integer number (3493394464).

Almost surely, 253961037189 is an apocalyptic number.

It is an amenable number.

53961037189 is a deficient number, since it is larger than the sum of its proper divisors (1933274235).

53961037189 is a wasteful number, since it uses less digits than its factorization.

53961037189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 53961037189 in words is "fifty-three billion, nine hundred sixty-one million, thirty-seven thousand, one hundred eighty-nine".

Divisors: 1 31 433 1171 3433 13423 36301 106423 507043 1486489 4020043 15718333 46081159 124621333 1740678619 53961037189