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61233030912 = 28379730509
BaseRepresentation
bin111001000001110001…
…011110011100000000
312212001102202021011210
4321001301132130000
52000401123442122
644044032210120
74265261114004
oct710161363400
9185042667153
1061233030912
1123a724a4479
12ba4a999940
135a0b048091
142d6c540704
1518d5b1540c
hexe41c5e700

61233030912 has 36 divisors (see below), whose sum is σ = 162969162440. Its totient is φ = 20411010048.

The previous prime is 61233030907. The next prime is 61233030917. The reversal of 61233030912 is 21903033216.

It is an interprime number because it is at equal distance from previous prime (61233030907) and next prime (61233030917).

It is a self number, because there is not a number n which added to its sum of digits gives 61233030912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233030917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39864487 + ... + 39866022.

Almost surely, 261233030912 is an apocalyptic number.

It is an amenable number.

61233030912 is an abundant number, since it is smaller than the sum of its proper divisors (101736131528).

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

61233030912 is an equidigital number, since it uses as much as digits as its factorization.

61233030912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79730528 (or 79730514 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 61233030912 in words is "sixty-one billion, two hundred thirty-three million, thirty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 79730509 159461018 239191527 318922036 478383054 637844072 956766108 1275688144 1913532216 2551376288 3827064432 5102752576 7654128864 10205505152 15308257728 20411010304 30616515456 61233030912