Search a number
-
+
342637843961 = 7509197948593
BaseRepresentation
bin1001111110001101100…
…11101001010111111001
31012202102000112220220002
410333012303221113321
521103210242001321
6421223342042345
733516612422330
oct4770663512771
91182360486802
10342637843961
11122348148576
12564a48793b5
132640654448a
1412825ba2d17
158da5a4e20b
hex4fc6ce95f9

342637843961 has 16 divisors (see below), whose sum is σ = 392561769600. Its totient is φ = 292958446848.

The previous prime is 342637843909. The next prime is 342637844033. The reversal of 342637843961 is 169348736243.

It is a cyclic number.

It is not a de Polignac number, because 342637843961 - 226 = 342570735097 is a prime.

It is a super-2 number, since 2×3426378439612 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342637843897 and 342637843906.

It is not an unprimeable number, because it can be changed into a prime (342637843901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026881 + ... + 7075473.

It is an arithmetic number, because the mean of its divisors is an integer number (24535110600).

Almost surely, 2342637843961 is an apocalyptic number.

It is an amenable number.

342637843961 is a deficient number, since it is larger than the sum of its proper divisors (49923925639).

342637843961 is a wasteful number, since it uses less digits than its factorization.

342637843961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51088.

The product of its digits is 15676416, while the sum is 56.

The spelling of 342637843961 in words is "three hundred forty-two billion, six hundred thirty-seven million, eight hundred forty-three thousand, nine hundred sixty-one".

Divisors: 1 7 509 1979 3563 13853 48593 340151 1007311 7051177 24733837 96165547 173136859 673158829 48948263423 342637843961