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61035143212 = 2228975267099
BaseRepresentation
bin111000110101111110…
…100110000000101100
312211112122101112021201
4320311332212000230
51444444444040322
644012242535244
74260336104641
oct706576460054
9184478345251
1061035143212
112398082451a
12b9b4667524
1359a9050374
142d5014bdc8
1518c3576d27
hexe35fa602c

61035143212 has 12 divisors (see below), whose sum is σ = 106848390600. Its totient is φ = 30507031616.

The previous prime is 61035143207. The next prime is 61035143237. The reversal of 61035143212 is 21234153016.

61035143212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2621962 + ... + 2645137.

It is an arithmetic number, because the mean of its divisors is an integer number (8904032550).

Almost surely, 261035143212 is an apocalyptic number.

It is an amenable number.

61035143212 is a deficient number, since it is larger than the sum of its proper divisors (45813247388).

61035143212 is a wasteful number, since it uses less digits than its factorization.

61035143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270000 (or 5269998 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 61035143212 its reverse (21234153016), we get a palindrome (82269296228).

The spelling of 61035143212 in words is "sixty-one billion, thirty-five million, one hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 4 2897 5794 11588 5267099 10534198 21068396 15258785803 30517571606 61035143212