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61232844413 = 1316728204903
BaseRepresentation
bin111001000001110000…
…110000111001111101
312212001102101210100102
4321001300300321331
52000401102010123
644044024210445
74265256406166
oct710160607175
9185042353312
1061232844413
1123a72387344
12ba4a909a25
135a0acb1220
142d6c4d276d
1518d5aca028
hexe41c30e7d

61232844413 has 8 divisors (see below), whose sum is σ = 66337934208. Its totient is φ = 56184164784.

The previous prime is 61232844403. The next prime is 61232844433. The reversal of 61232844413 is 31444823216.

It is a happy number.

61232844413 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 61232844413 - 28 = 61232844157 is a prime.

It is a super-2 number, since 2×612328444132 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61232844403) 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, 14100281 + ... + 14104622.

It is an arithmetic number, because the mean of its divisors is an integer number (8292241776).

Almost surely, 261232844413 is an apocalyptic number.

It is an amenable number.

61232844413 is a deficient number, since it is larger than the sum of its proper divisors (5105089795).

61232844413 is a wasteful number, since it uses less digits than its factorization.

61232844413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28205083.

The product of its digits is 110592, while the sum is 38.

The spelling of 61232844413 in words is "sixty-one billion, two hundred thirty-two million, eight hundred forty-four thousand, four hundred thirteen".

Divisors: 1 13 167 2171 28204903 366663739 4710218801 61232844413