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65214472950 = 23452114359577
BaseRepresentation
bin111100101111000101…
…011110001011110110
320020022220112110220000
4330233011132023312
52032024401113300
645543100252130
74466034605514
oct745705361366
9206286473800
1065214472950
1125725962840
1210780241046
1361c3b6c843
1432292234b4
151a6a421c00
hexf2f15e2f6

65214472950 has 480 divisors, whose sum is σ = 206054133120. Its totient is φ = 15153868800.

The previous prime is 65214472927. The next prime is 65214472997. The reversal of 65214472950 is 5927441256.

65214472950 is a `hidden beast` number, since 6 + 521 + 4 + 4 + 72 + 9 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 65214472896 and 65214472905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 113023062 + ... + 113023638.

It is an arithmetic number, because the mean of its divisors is an integer number (429279444).

Almost surely, 265214472950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65214472950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103027066560).

65214472950 is an abundant number, since it is smaller than the sum of its proper divisors (140839660170).

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

65214472950 is a wasteful number, since it uses less digits than its factorization.

65214472950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 65214472950 in words is "sixty-five billion, two hundred fourteen million, four hundred seventy-two thousand, nine hundred fifty".