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909465921461 = 6172313206177
BaseRepresentation
bin11010011110000000110…
…01001010011110110101
310012221111020120201100002
431033000121022132311
5104400041233441321
61533445231001045
7122464261532126
oct15170031123665
93187436521302
10909465921461
1132077a891789
12128316369185
13679ba91bc76
143203864204d
15189cd58e20b
hexd3c064a7b5

909465921461 has 8 divisors (see below), whose sum is σ = 924392465304. Its totient is φ = 894539934720.

The previous prime is 909465921449. The next prime is 909465921467. The reversal of 909465921461 is 164129564909.

909465921461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 207850280836 + 701615640625 = 455906^2 + 837625^2 .

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 909465921461 - 218 = 909465659317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 909465921397 and 909465921406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909465921467) 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, 4308005 + ... + 4514181.

It is an arithmetic number, because the mean of its divisors is an integer number (115549058163).

Almost surely, 2909465921461 is an apocalyptic number.

It is an amenable number.

909465921461 is a deficient number, since it is larger than the sum of its proper divisors (14926543843).

909465921461 is a wasteful number, since it uses less digits than its factorization.

909465921461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278551.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 909465921461 in words is "nine hundred nine billion, four hundred sixty-five million, nine hundred twenty-one thousand, four hundred sixty-one".

Divisors: 1 61 72313 206177 4411093 12576797 14909277401 909465921461