Search a number
-
+
7348995075409 = 132151213812
BaseRepresentation
bin110101011110001001000…
…1111011010110101010001
3222000120001002202201100221
41222330102033122311101
51430401220214403114
623344025353113041
71355642643314161
oct152742217326521
928016032681327
107348995075409
11238376714a9a9
129a834b6b8781
13414012c54400
141b599c4385a1
15cb26e3ec524
hex6af123dad51

7348995075409 has 27 divisors (see below), whose sum is σ = 8016642108657. Its totient is φ = 6733883052000.

The previous prime is 7348995075263. The next prime is 7348995075451. The reversal of 7348995075409 is 9045705998437.

It is a happy number.

The square root of 7348995075409 is 2710903.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1311792262225 + 6037202813184 = 1145335^2 + 2457072^2 .

It is not a de Polignac number, because 7348995075409 - 229 = 7348458204497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7348995175409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5321501899 + ... + 5321503279.

It is an arithmetic number, because the mean of its divisors is an integer number (296912670691).

Almost surely, 27348995075409 is an apocalyptic number.

7348995075409 is the 2710903-rd square number.

7348995075409 is the 1355452-nd centered octagonal number.

It is an amenable number.

7348995075409 is a deficient number, since it is larger than the sum of its proper divisors (667647033248).

7348995075409 is an frugal number, since it uses more digits than its factorization.

7348995075409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 70.

The spelling of 7348995075409 in words is "seven trillion, three hundred forty-eight billion, nine hundred ninety-five million, seventy-five thousand, four hundred nine".

Divisors: 1 13 151 169 1381 1963 17953 22801 25519 208531 233389 296413 1907161 2710903 3853369 24793093 31488181 35241739 287981311 322310209 409346353 3743757043 5321502589 43485177961 48668841559 565307313493 7348995075409