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3155306243401 = 13242715864877
BaseRepresentation
bin101101111010100110111…
…010000110010101001001
3102011122101201100212212001
4231322212322012111021
5403144031344242101
610413305551151001
7443651300354524
oct55724672062511
912148351325761
103155306243401
111007181130054
1242b629815461
1319b70c513750
14aca092a5bbb
15571240bd901
hex2dea6e86549

3155306243401 has 4 divisors (see below), whose sum is σ = 3398022108292. Its totient is φ = 2912590378512.

The previous prime is 3155306243357. The next prime is 3155306243473. The reversal of 3155306243401 is 1043426035513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 231972273225 + 2923333970176 = 481635^2 + 1709776^2 .

It is a cyclic number.

It is not a de Polignac number, because 3155306243401 - 29 = 3155306242889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155306343401) 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, 121357932426 + ... + 121357932451.

It is an arithmetic number, because the mean of its divisors is an integer number (849505527073).

Almost surely, 23155306243401 is an apocalyptic number.

It is an amenable number.

3155306243401 is a deficient number, since it is larger than the sum of its proper divisors (242715864891).

3155306243401 is a wasteful number, since it uses less digits than its factorization.

3155306243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242715864890.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 3155306243401 in words is "three trillion, one hundred fifty-five billion, three hundred six million, two hundred forty-three thousand, four hundred one".

Divisors: 1 13 242715864877 3155306243401