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65213560052 = 2261979263047
BaseRepresentation
bin111100101111000001…
…111111010011110100
320020022211211002121222
4330233001333103310
52032024132410202
645543024525512
74466024054144
oct745701772364
9206284732558
1065213560052
1125725399983
121077ba80898
1361c3910174
143229066924
151a6a2e14a2
hexf2f07f4f4

65213560052 has 12 divisors (see below), whose sum is σ = 114126005280. Its totient is φ = 32606129976.

The previous prime is 65213559967. The next prime is 65213560057. The reversal of 65213560052 is 25006531256.

It is a junction number, because it is equal to n+sod(n) for n = 65213559994 and 65213560021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65213560057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116393 + ... + 379439.

It is an arithmetic number, because the mean of its divisors is an integer number (9510500440).

Almost surely, 265213560052 is an apocalyptic number.

It is an amenable number.

65213560052 is a deficient number, since it is larger than the sum of its proper divisors (48912445228).

65213560052 is a wasteful number, since it uses less digits than its factorization.

65213560052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325030 (or 325028 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 65213560052 in words is "sixty-five billion, two hundred thirteen million, five hundred sixty thousand, fifty-two".

Divisors: 1 2 4 61979 123958 247916 263047 526094 1052188 16303390013 32606780026 65213560052