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61123053474 = 2327485103599
BaseRepresentation
bin111000111011001101…
…111100011110100010
312211202202210211111100
4320323031330132202
52000140000202344
644025103055230
74262454245040
oct707315743642
9184682724440
1061123053474
1123a1640882a
12ba19ba1516
1359c1320082
142d5bab3390
1518cb13e569
hexe3b37c7a2

61123053474 has 24 divisors (see below), whose sum is σ = 151352323200. Its totient is φ = 17463729528.

The previous prime is 61123053469. The next prime is 61123053491. The reversal of 61123053474 is 47435032116.

61123053474 is a `hidden beast` number, since 6 + 1 + 1 + 2 + 305 + 347 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242551674 + ... + 242551925.

It is an arithmetic number, because the mean of its divisors is an integer number (6306346800).

Almost surely, 261123053474 is an apocalyptic number.

61123053474 is an abundant number, since it is smaller than the sum of its proper divisors (90229269726).

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

61123053474 is a wasteful number, since it uses less digits than its factorization.

61123053474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485103614 (or 485103611 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 61123053474 in words is "sixty-one billion, one hundred twenty-three million, fifty-three thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 485103599 970207198 1455310797 2910621594 3395725193 4365932391 6791450386 8731864782 10187175579 20374351158 30561526737 61123053474