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61051034652 = 2235087586221
BaseRepresentation
bin111000110110111011…
…001101110000011100
312211120202021220020120
4320312323031300130
52000013031102102
644014011314540
74260621142446
oct706673156034
9184522256216
1061051034652
1123989798a43
12b9b9a4ba50
1359ac42569a
142d522c7496
1518c4b656bc
hexe36ecdc1c

61051034652 has 12 divisors (see below), whose sum is σ = 142452414216. Its totient is φ = 20350344880.

The previous prime is 61051034633. The next prime is 61051034687. The reversal of 61051034652 is 25643015016.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×610510346522 (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, 2543793099 + ... + 2543793122.

It is an arithmetic number, because the mean of its divisors is an integer number (11871034518).

Almost surely, 261051034652 is an apocalyptic number.

It is an amenable number.

61051034652 is an abundant number, since it is smaller than the sum of its proper divisors (81401379564).

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

61051034652 is a wasteful number, since it uses less digits than its factorization.

61051034652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087586228 (or 5087586226 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 61051034652 its reverse (25643015016), we get a palindrome (86694049668).

The spelling of 61051034652 in words is "sixty-one billion, fifty-one million, thirty-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 5087586221 10175172442 15262758663 20350344884 30525517326 61051034652