Search a number
-
+
40220000143421 = 76400618976823
BaseRepresentation
bin10010010010100011100101…
…10100100100100000111101
312021101222211222000020210112
421021101302310210200331
520232431030014042141
6221312451334515405
711320541045312540
oct1111216264444075
9167358758006715
1040220000143421
11118a722a60301a
124616aa4805b65
131959964311917
149d09308bc857
1549b333e397eb
hex249472d2483d

40220000143421 has 8 divisors (see below), whose sum is σ = 45965791384704. Its totient is φ = 34474228135920.

The previous prime is 40220000143399. The next prime is 40220000143451. The reversal of 40220000143421 is 12434100002204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40220000143421 - 238 = 39945122236477 is a prime.

It is a super-3 number, since 3×402200001434213 (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220000143451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7985 + ... + 8968838.

It is an arithmetic number, because the mean of its divisors is an integer number (5745723923088).

Almost surely, 240220000143421 is an apocalyptic number.

It is an amenable number.

40220000143421 is a deficient number, since it is larger than the sum of its proper divisors (5745791241283).

40220000143421 is an equidigital number, since it uses as much as digits as its factorization.

40220000143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616891.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40220000143421 its reverse (12434100002204), we get a palindrome (52654100145625).

The spelling of 40220000143421 in words is "forty trillion, two hundred twenty billion, one hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 7 640061 4480427 8976823 62837761 5745714306203 40220000143421