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61030262611320 = 233541671559118757
BaseRepresentation
bin11011110000001101101110…
…00111111001110101111000
322000002102202221020212211120
431320012313013321311320
530444404434212030240
6333444525433425240
715566201541562122
oct1570066707716570
9260072687225746
1061030262611320
111849a875208882
126a180a756b220
13280918a748b22
14110dc48028212
1570c80d018ad0
hex3781b71f9d78

61030262611320 has 256 divisors, whose sum is σ = 190479471436800. Its totient is φ = 15630645719040.

The previous prime is 61030262611259. The next prime is 61030262611463. The reversal of 61030262611320 is 2311626203016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 513849382 + ... + 513968138.

It is an arithmetic number, because the mean of its divisors is an integer number (744060435300).

Almost surely, 261030262611320 is an apocalyptic number.

61030262611320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61030262611320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95239735718400).

61030262611320 is an abundant number, since it is smaller than the sum of its proper divisors (129449208825480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61030262611320 is a wasteful number, since it uses less digits than its factorization.

61030262611320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120438 (or 120434 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 61030262611320 its reverse (2311626203016), we get a palindrome (63341888814336).

The spelling of 61030262611320 in words is "sixty-one trillion, thirty billion, two hundred sixty-two million, six hundred eleven thousand, three hundred twenty".