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2073894642 = 232115216369
BaseRepresentation
bin111101110011101…
…0001111011110010
312100112101202121200
41323213101323302
513221404112032
6541442432030
7102251546031
oct17347217362
95315352550
102073894642
11974728816
1249a662616
1327087a7c1
14159612718
15c210c47c
hex7b9d1ef2

2073894642 has 12 divisors (see below), whose sum is σ = 4493438430. Its totient is φ = 691298208.

The previous prime is 2073894587. The next prime is 2073894701. The reversal of 2073894642 is 2464983702.

2073894642 is a `hidden beast` number, since 207 + 389 + 4 + 64 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2021491521 + 52403121 = 44961^2 + 7239^2 .

It is a super-2 number, since 2×20738946422 = 8602077972232616328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57608167 + ... + 57608202.

Almost surely, 22073894642 is an apocalyptic number.

2073894642 is an abundant number, since it is smaller than the sum of its proper divisors (2419543788).

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

2073894642 is a wasteful number, since it uses less digits than its factorization.

2073894642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115216377 (or 115216374 counting only the distinct ones).

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

The square root of 2073894642 is about 45540.0333991972. The cubic root of 2073894642 is about 1275.2506782771.

The spelling of 2073894642 in words is "two billion, seventy-three million, eight hundred ninety-four thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 115216369 230432738 345649107 691298214 1036947321 2073894642