Search a number
-
+
40210412032221 = 3149494318198701
BaseRepresentation
bin10010010010010001101110…
…10100110101000011011101
312021101002002202021201212220
421021020313110311003131
520232301410440012341
6221304224104215553
711320051331566554
oct1111106724650335
9167332082251786
1040210412032221
11118a315a344182
12461506976a5b9
131958a96a69242
149d02a1336d9b
1549ae722dca66
hex2492375350dd

40210412032221 has 16 divisors (see below), whose sum is σ = 53984629612800. Its totient is φ = 26621640718400.

The previous prime is 40210412032123. The next prime is 40210412032249. The reversal of 40210412032221 is 12223021401204.

It is a cyclic number.

It is not a de Polignac number, because 40210412032221 - 230 = 40209338290397 is a prime.

It is a super-2 number, since 2×402104120322212 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40210412032191 and 40210412032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40210412032261) 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, 6889830 + ... + 11308871.

It is an arithmetic number, because the mean of its divisors is an integer number (3374039350800).

Almost surely, 240210412032221 is an apocalyptic number.

It is an amenable number.

40210412032221 is a deficient number, since it is larger than the sum of its proper divisors (13774217580579).

40210412032221 is a wasteful number, since it uses less digits than its factorization.

40210412032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203796.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 40210412032221 its reverse (12223021401204), we get a palindrome (52433433433425).

The spelling of 40210412032221 in words is "forty trillion, two hundred ten billion, four hundred twelve million, thirty-two thousand, two hundred twenty-one".

Divisors: 1 3 149 447 4943 14829 736507 2209521 18198701 54596103 2711606449 8134819347 89956179043 269868537129 13403470677407 40210412032221