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440022103021 = 1074112356103
BaseRepresentation
bin1100110011100110101…
…11000111001111101101
31120001202220012212010201
412121303113013033231
524202131124244041
6534050544433501
743535105110054
oct6316327071755
91501686185121
10440022103021
1115a6810077a6
1271342618891
133265615c2c7
141742368539b
15b6a52e9631
hex66735c73ed

440022103021 has 4 divisors (see below), whose sum is σ = 444134459232. Its totient is φ = 435909746812.

The previous prime is 440022103019. The next prime is 440022103049. The reversal of 440022103021 is 120301220044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440022103021 - 21 = 440022103019 is a prime.

It is a super-2 number, since 2×4400221030212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440022103021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440022103321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056177945 + ... + 2056178158.

It is an arithmetic number, because the mean of its divisors is an integer number (111033614808).

Almost surely, 2440022103021 is an apocalyptic number.

It is an amenable number.

440022103021 is a deficient number, since it is larger than the sum of its proper divisors (4112356211).

440022103021 is a wasteful number, since it uses less digits than its factorization.

440022103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112356210.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 440022103021 its reverse (120301220044), we get a palindrome (560323323065).

The spelling of 440022103021 in words is "four hundred forty billion, twenty-two million, one hundred three thousand, twenty-one".

Divisors: 1 107 4112356103 440022103021