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54131522160 = 2435225548009
BaseRepresentation
bin110010011010011111…
…010111101001110000
312011201112000020120010
4302122133113221300
51341330132202120
640511230214520
73624300226602
oct623237275160
9164645006503
1054131522160
1120a58918881
12a5a8654440
1351489c09b1
14289731d172
15161c4497e0
hexc9a7d7a70

54131522160 has 40 divisors (see below), whose sum is σ = 167807719440. Its totient is φ = 14435072512.

The previous prime is 54131522141. The next prime is 54131522219. The reversal of 54131522160 is 6122513145.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 112773765 + ... + 112774244.

It is an arithmetic number, because the mean of its divisors is an integer number (4195192986).

Almost surely, 254131522160 is an apocalyptic number.

It is an amenable number.

54131522160 is an abundant number, since it is smaller than the sum of its proper divisors (113676197280).

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

54131522160 is a wasteful number, since it uses less digits than its factorization.

54131522160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225548025 (or 225548019 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 54131522160 in words is "fifty-four billion, one hundred thirty-one million, five hundred twenty-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 225548009 451096018 676644027 902192036 1127740045 1353288054 1804384072 2255480090 2706576108 3383220135 3608768144 4510960180 5413152216 6766440270 9021920360 10826304432 13532880540 18043840720 27065761080 54131522160