Search a number
-
+
1202116656642 = 231121987147793
BaseRepresentation
bin10001011111100011101…
…111000111111000000010
311020220212120120102000220
4101133203233013320002
5124143413331003032
62320124511523510
7152564366662446
oct21374357077002
94226776512026
101202116656642
114238a6571600
12174b8a529596
1389488c88265
144227b6ac826
152140a94312c
hex117e3bc7e02

1202116656642 has 48 divisors (see below), whose sum is σ = 2781757584480. Its totient is φ = 345105256320.

The previous prime is 1202116656641. The next prime is 1202116656647. The reversal of 1202116656642 is 2466566112021.

It is a super-2 number, since 2×12021166566422 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202116656594 and 1202116656603.

It is not an unprimeable number, because it can be changed into a prime (1202116656641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43560103 + ... + 43587690.

It is an arithmetic number, because the mean of its divisors is an integer number (57953283010).

Almost surely, 21202116656642 is an apocalyptic number.

1202116656642 is an abundant number, since it is smaller than the sum of its proper divisors (1579640927838).

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

1202116656642 is a wasteful number, since it uses less digits than its factorization.

1202116656642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87147839 (or 87147828 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1202116656642 in words is "one trillion, two hundred two billion, one hundred sixteen million, six hundred fifty-six thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 121 209 242 363 418 627 726 1254 2299 4598 6897 13794 87147793 174295586 261443379 522886758 958625723 1655808067 1917251446 2875877169 3311616134 4967424201 5751754338 9934848402 10544882953 18213888737 21089765906 31634648859 36427777474 54641666211 63269297718 109283332422 200352776107 400705552214 601058328321 1202116656642