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61203447344 = 2413222634411
BaseRepresentation
bin111001000000000000…
…100111111000110000
312211222101002021011002
4321000000213320300
52000321040303334
644041054141132
74264451501354
oct710000477060
9184871067132
1061203447344
1123a57828946
12ba40ab17a8
135a04b8a800
142d6863d464
1518d321eb7e
hexe40027e30

61203447344 has 30 divisors (see below), whose sum is σ = 128405019276. Its totient is φ = 28247743680.

The previous prime is 61203447341. The next prime is 61203447359. The reversal of 61203447344 is 44374430216.

It is a junction number, because it is equal to n+sod(n) for n = 61203447298 and 61203447307.

It is not an unprimeable number, because it can be changed into a prime (61203447341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11314502 + ... + 11319909.

Almost surely, 261203447344 is an apocalyptic number.

It is an amenable number.

61203447344 is an abundant number, since it is smaller than the sum of its proper divisors (67201571932).

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

61203447344 is a wasteful number, since it uses less digits than its factorization.

61203447344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22634445 (or 22634426 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 61203447344 in words is "sixty-one billion, two hundred three million, four hundred forty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 22634411 45268822 90537644 181075288 294247343 362150576 588494686 1176989372 2353978744 3825215459 4707957488 7650430918 15300861836 30601723672 61203447344