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65228231030 = 2597173338803
BaseRepresentation
bin111100101111111001…
…111101000101110110
320020100212102110102112
4330233321331011312
52032041411343110
645544311211022
74466262546524
oct745771750566
9206325373375
1065228231030
11257326aa456
1210784976a72
1361c6978b11
14322ada5314
151a6b73d405
hexf2fe7d176

65228231030 has 32 divisors (see below), whose sum is σ = 118692743904. Its totient is φ = 25806744576.

The previous prime is 65228230997. The next prime is 65228231059. The reversal of 65228231030 is 3013282256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661609 + ... + 1700411.

It is an arithmetic number, because the mean of its divisors is an integer number (3709148247).

Almost surely, 265228231030 is an apocalyptic number.

65228231030 is a deficient number, since it is larger than the sum of its proper divisors (53464512874).

65228231030 is a wasteful number, since it uses less digits than its factorization.

65228231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40640.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 65228231030 in words is "sixty-five billion, two hundred twenty-eight million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 97 194 485 970 1733 3466 8665 17330 38803 77606 168101 194015 336202 388030 840505 1681010 3763891 7527782 18819455 37638910 67245599 134491198 336227995 672455990 6522823103 13045646206 32614115515 65228231030