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188325783068 = 2290751908981
BaseRepresentation
bin1010111101100100010…
…1110110011000011100
3200000002202012000111112
42233121011312120130
511041142400024233
6222303215041152
716414613513063
oct2573105663034
9600082160445
10188325783068
1172960aa4235
12305b9b101b8
13149b3811bc7
1491878691da
154d73607048
hex2bd917661c

188325783068 has 12 divisors (see below), whose sum is σ = 329933489592. Its totient is φ = 94059071760.

The previous prime is 188325783067. The next prime is 188325783077. The reversal of 188325783068 is 860387523881.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 188325782998 and 188325783016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188325783067) 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, 25950863 + ... + 25958118.

It is an arithmetic number, because the mean of its divisors is an integer number (27494457466).

Almost surely, 2188325783068 is an apocalyptic number.

It is an amenable number.

188325783068 is a deficient number, since it is larger than the sum of its proper divisors (141607706524).

188325783068 is a wasteful number, since it uses less digits than its factorization.

188325783068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51909892 (or 51909890 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 188325783068 in words is "one hundred eighty-eight billion, three hundred twenty-five million, seven hundred eighty-three thousand, sixty-eight".

Divisors: 1 2 4 907 1814 3628 51908981 103817962 207635924 47081445767 94162891534 188325783068