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61031230364 = 22131173677507
BaseRepresentation
bin111000110101101111…
…101010101110011100
312211112101000201212102
4320311233222232130
51444442443332424
644012023024232
74260260620136
oct706557525634
9184471021772
1061031230364
11239795a1765
12b9b329b078
1359a82b0380
142d4d810056
1518c30527ae
hexe35beab9c

61031230364 has 12 divisors (see below), whose sum is σ = 115020395784. Its totient is φ = 28168260144.

The previous prime is 61031230331. The next prime is 61031230387. The reversal of 61031230364 is 46303213016.

It is a super-2 number, since 2×610312303642 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586838702 + ... + 586838805.

It is an arithmetic number, because the mean of its divisors is an integer number (9585032982).

Almost surely, 261031230364 is an apocalyptic number.

It is an amenable number.

61031230364 is a deficient number, since it is larger than the sum of its proper divisors (53989165420).

61031230364 is a wasteful number, since it uses less digits than its factorization.

61031230364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173677524 (or 1173677522 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 61031230364 in words is "sixty-one billion, thirty-one million, two hundred thirty thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 1173677507 2347355014 4694710028 15257807591 30515615182 61031230364