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61024833431 = 83735238957
BaseRepresentation
bin111000110101010111…
…010000111110010111
312211111220222201220222
4320311113100332113
51444434324132211
644011233544555
74260152345162
oct706527207627
9184456881828
1061024833431
1123975a22641
12b9b111515b
1359a6b807c3
142d4ca26ad9
1518c26dc1db
hexe355d0f97

61024833431 has 4 divisors (see below), whose sum is σ = 61760072472. Its totient is φ = 60289594392.

The previous prime is 61024833391. The next prime is 61024833461. The reversal of 61024833431 is 13433842016.

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 61024833431 - 26 = 61024833367 is a prime.

It is a super-2 number, since 2×610248334312 (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 = 61024833391 and 61024833400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61024833461) 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, 367619396 + ... + 367619561.

It is an arithmetic number, because the mean of its divisors is an integer number (15440018118).

Almost surely, 261024833431 is an apocalyptic number.

61024833431 is a deficient number, since it is larger than the sum of its proper divisors (735239041).

61024833431 is an equidigital number, since it uses as much as digits as its factorization.

61024833431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735239040.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 61024833431 in words is "sixty-one billion, twenty-four million, eight hundred thirty-three thousand, four hundred thirty-one".

Divisors: 1 83 735238957 61024833431