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61030385132 = 2258572605019
BaseRepresentation
bin111000110101101100…
…011100010111101100
312211112022102210102112
4320311230130113230
51444442234311012
644011552543152
74260250466663
oct706554342754
9184468383375
1061030385132
1123979074722
12b9b2b51ab8
1359a8075732
142d4d66ddda
1518c2e37122
hexe35b1c5ec

61030385132 has 12 divisors (see below), whose sum is σ = 106821450120. Its totient is φ = 30509970816.

The previous prime is 61030385123. The next prime is 61030385149. The reversal of 61030385132 is 23158303016.

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, 1279082 + ... + 1325937.

It is an arithmetic number, because the mean of its divisors is an integer number (8901787510).

Almost surely, 261030385132 is an apocalyptic number.

It is an amenable number.

61030385132 is a deficient number, since it is larger than the sum of its proper divisors (45791064988).

61030385132 is a wasteful number, since it uses less digits than its factorization.

61030385132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610880 (or 2610878 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 61030385132 its reverse (23158303016), we get a palindrome (84188688148).

The spelling of 61030385132 in words is "sixty-one billion, thirty million, three hundred eighty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 5857 11714 23428 2605019 5210038 10420076 15257596283 30515192566 61030385132