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7401313321 = 67110467363
BaseRepresentation
bin1101110010010011…
…10001010000101001
3201002210212200011121
412321021301100221
5110124214011241
63222231455241
7351261060643
oct67111612051
921083780147
107401313321
113158937276
121526827521
1390c4b724c
14502d83893
152d4b8bad1
hex1b9271429

7401313321 has 4 divisors (see below), whose sum is σ = 7511780752. Its totient is φ = 7290845892.

The previous prime is 7401313319. The next prime is 7401313349. The reversal of 7401313321 is 1233131047.

7401313321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7401313321 - 21 = 7401313319 is a prime.

It is a super-2 number, since 2×74013133212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7401313721) 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, 55233615 + ... + 55233748.

It is an arithmetic number, because the mean of its divisors is an integer number (1877945188).

Almost surely, 27401313321 is an apocalyptic number.

It is an amenable number.

7401313321 is a deficient number, since it is larger than the sum of its proper divisors (110467431).

7401313321 is a wasteful number, since it uses less digits than its factorization.

7401313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110467430.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7401313321 is about 86030.8858550230. The cubic root of 7401313321 is about 1948.8104356399.

Adding to 7401313321 its reverse (1233131047), we get a palindrome (8634444368).

The spelling of 7401313321 in words is "seven billion, four hundred one million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 67 110467363 7401313321