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3155485213897 = 97211154174291
BaseRepresentation
bin101101111010110001100…
…100110100010011001001
3102011122212012010112012221
4231322301210310103021
5403144413203321042
610413335423134041
7443655602524432
oct55726144642311
912148765115187
103155485213897
11100726315a255
1242b679744321
1319b73a616b53
14aca24d72489
1557134b71d67
hex2deb19344c9

3155485213897 has 8 divisors (see below), whose sum is σ = 3203125090592. Its totient is φ = 3108153686400.

The previous prime is 3155485213891. The next prime is 3155485213921. The reversal of 3155485213897 is 7983125845513.

3155485213897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3155485213897 - 223 = 3155476825289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155485213891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77066679 + ... + 77107612.

It is an arithmetic number, because the mean of its divisors is an integer number (400390636324).

Almost surely, 23155485213897 is an apocalyptic number.

It is an amenable number.

3155485213897 is a deficient number, since it is larger than the sum of its proper divisors (47639876695).

3155485213897 is a wasteful number, since it uses less digits than its factorization.

3155485213897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154174599.

The product of its digits is 36288000, while the sum is 61.

The spelling of 3155485213897 in words is "three trillion, one hundred fifty-five billion, four hundred eighty-five million, two hundred thirteen thousand, eight hundred ninety-seven".

Divisors: 1 97 211 20467 154174291 14954906227 32530775401 3155485213897