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53998450674 = 2371938166337
BaseRepresentation
bin110010010010100011…
…101111011111110010
312011101020121111210120
4302102203233133302
51341042100410144
640450114111110
73621063154230
oct622243573762
9164336544716
1053998450674
112099a799243
12a56bb7b496
13512726b17c
14288379d950
151610910e19
hexc928ef7f2

53998450674 has 32 divisors (see below), whose sum is σ = 123433259136. Its totient is φ = 15427100160.

The previous prime is 53998450673. The next prime is 53998450687. The reversal of 53998450674 is 47605489935.

It is a super-2 number, since 2×539984506742 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53998450673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780834 + ... + 847170.

It is an arithmetic number, because the mean of its divisors is an integer number (3857289348).

Almost surely, 253998450674 is an apocalyptic number.

53998450674 is an abundant number, since it is smaller than the sum of its proper divisors (69434808462).

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

53998450674 is a wasteful number, since it uses less digits than its factorization.

53998450674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85730.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 53998450674 in words is "fifty-three billion, nine hundred ninety-eight million, four hundred fifty thousand, six hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 19381 38762 58143 66337 116286 132674 135667 199011 271334 398022 407001 464359 814002 928718 1393077 2786154 1285677397 2571354794 3857032191 7714064382 8999741779 17999483558 26999225337 53998450674