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61734631001 = 67921412403
BaseRepresentation
bin111001011111101010…
…111011011001011001
312220100101121012010212
4321133222323121121
52002413031143001
644205511220505
74313561463641
oct713752733131
9186311535125
1061734631001
11241aa653aaa
12bb6a977735
135a8ac40574
142db8dd1521
151914b977bb
hexe5fabb659

61734631001 has 4 divisors (see below), whose sum is σ = 62656043472. Its totient is φ = 60813218532.

The previous prime is 61734630967. The next prime is 61734631009. The reversal of 61734631001 is 10013643716.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61734631001 is a prime.

It is a super-2 number, since 2×617346310012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61734631009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460706135 + ... + 460706268.

It is an arithmetic number, because the mean of its divisors is an integer number (15664010868).

Almost surely, 261734631001 is an apocalyptic number.

It is an amenable number.

61734631001 is a deficient number, since it is larger than the sum of its proper divisors (921412471).

61734631001 is an equidigital number, since it uses as much as digits as its factorization.

61734631001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921412470.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 61734631001 in words is "sixty-one billion, seven hundred thirty-four million, six hundred thirty-one thousand, one".

Divisors: 1 67 921412403 61734631001