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61314262631 = 549191116449
BaseRepresentation
bin111001000110100111…
…010110011001100111
312212021002121021010222
4321012213112121213
52001032422401011
644100053234555
74300265430116
oct710647263147
9185232537128
1061314262631
1124004337026
12ba72032a5b
135a21b19c9b
142d79247c7d
1518dcd0dddb
hexe469d6667

61314262631 has 4 divisors (see below), whose sum is σ = 61315434000. Its totient is φ = 61313091264.

The previous prime is 61314262601. The next prime is 61314262643. The reversal of 61314262631 is 13626241316.

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

It is a cyclic number.

It is not a de Polignac number, because 61314262631 - 214 = 61314246247 is a prime.

It is a super-2 number, since 2×613142626312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61314262591 and 61314262600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61314262601) 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, 503306 + ... + 613143.

It is an arithmetic number, because the mean of its divisors is an integer number (15328858500).

Almost surely, 261314262631 is an apocalyptic number.

61314262631 is a deficient number, since it is larger than the sum of its proper divisors (1171369).

61314262631 is a wasteful number, since it uses less digits than its factorization.

61314262631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171368.

The product of its digits is 31104, while the sum is 35.

The spelling of 61314262631 in words is "sixty-one billion, three hundred fourteen million, two hundred sixty-two thousand, six hundred thirty-one".

Divisors: 1 54919 1116449 61314262631