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61323566070 = 23513157239913
BaseRepresentation
bin111001000111001010…
…110101101111110110
312212021202002221001210
4321013022311233312
52001042313103240
644101024502250
74300440465624
oct710712655766
9185252087053
1061323566070
1124009610918
12ba7517a986
135a23a26790
142d7a58a514
1518dda4a780
hexe472b5bf6

61323566070 has 32 divisors (see below), whose sum is σ = 158497833312. Its totient is φ = 15095031552.

The previous prime is 61323565951. The next prime is 61323566089. The reversal of 61323566070 is 7066532316.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78619567 + ... + 78620346.

It is an arithmetic number, because the mean of its divisors is an integer number (4953057291).

Almost surely, 261323566070 is an apocalyptic number.

61323566070 is an abundant number, since it is smaller than the sum of its proper divisors (97174267242).

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

61323566070 is a wasteful number, since it uses less digits than its factorization.

61323566070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157239936.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 61323566070 in words is "sixty-one billion, three hundred twenty-three million, five hundred sixty-six thousand, seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 157239913 314479826 471719739 786199565 943439478 1572399130 2044118869 2358598695 4088237738 4717197390 6132356607 10220594345 12264713214 20441188690 30661783035 61323566070