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10442021354 = 25221010677
BaseRepresentation
bin10011011100110010…
…01001100111101010
3222221201111122102122
421232121021213222
5132341124140404
64444052431242
7516522500642
oct115631114752
928851448378
1010442021354
114479281216
122035018522
13ca545267b
14710b45522
15411ac23be
hex26e6499ea

10442021354 has 4 divisors (see below), whose sum is σ = 15663032034. Its totient is φ = 5221010676.

The previous prime is 10442021353. The next prime is 10442021399. The reversal of 10442021354 is 45312024401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6687150625 + 3754870729 = 81775^2 + 61277^2 .

It is not an unprimeable number, because it can be changed into a prime (10442021351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610505337 + ... + 2610505340.

Almost surely, 210442021354 is an apocalyptic number.

10442021354 is a deficient number, since it is larger than the sum of its proper divisors (5221010680).

10442021354 is an equidigital number, since it uses as much as digits as its factorization.

10442021354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221010679.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 10442021354 its reverse (45312024401), we get a palindrome (55754045755).

The spelling of 10442021354 in words is "ten billion, four hundred forty-two million, twenty-one thousand, three hundred fifty-four".

Divisors: 1 2 5221010677 10442021354