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472261660416 = 28337131943919
BaseRepresentation
bin1101101111101001111…
…11010000111100000000
31200010222201122001201000
412313310333100330000
530214142441113131
61000542022212000
746056040610550
oct6676477207400
91603881561630
10472261660416
11172315439407
127763b584000
13356c34c5ca0
1418c01307160
15c440855ce6
hex6df4fd0f00

472261660416 has 1152 divisors, whose sum is σ = 1853401088000. Its totient is φ = 115127599104.

The previous prime is 472261660393. The next prime is 472261660469. The reversal of 472261660416 is 614066162274.

472261660416 is a `hidden beast` number, since 4 + 7 + 2 + 26 + 1 + 6 + 604 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 513886005 + ... + 513886923.

Almost surely, 2472261660416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472261660416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926700544000).

472261660416 is an abundant number, since it is smaller than the sum of its proper divisors (1381139427584).

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

472261660416 is a wasteful number, since it uses less digits than its factorization.

472261660416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 472261660416 in words is "four hundred seventy-two billion, two hundred sixty-one million, six hundred sixty thousand, four hundred sixteen".