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64498692148 = 221159241103093
BaseRepresentation
bin111100000100011010…
…111111000000110100
320011111000200001012221
4330010122333000310
52024043131122043
645344050452124
74442223560152
oct740432770064
9204430601187
1064498692148
1125398915060
1210600594044
13610b7965c7
14319c13c3d2
151a276838ed
hexf046bf034

64498692148 has 48 divisors (see below), whose sum is σ = 125741689920. Its totient is φ = 28700812800.

The previous prime is 64498692127. The next prime is 64498692161. The reversal of 64498692148 is 84129689446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574090 + ... + 677182.

It is an arithmetic number, because the mean of its divisors is an integer number (2619618540).

Almost surely, 264498692148 is an apocalyptic number.

It is an amenable number.

64498692148 is a deficient number, since it is larger than the sum of its proper divisors (61242997772).

64498692148 is a wasteful number, since it uses less digits than its factorization.

64498692148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103408 (or 103406 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 61.

The spelling of 64498692148 in words is "sixty-four billion, four hundred ninety-eight million, six hundred ninety-two thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 59 118 236 241 482 649 964 1298 2596 2651 5302 10604 14219 28438 56876 103093 156409 206186 312818 412372 625636 1134023 2268046 4536092 6082487 12164974 24329948 24845413 49690826 66907357 99381652 133814714 267629428 273299543 546599086 1093198172 1465879367 2931758734 5863517468 16124673037 32249346074 64498692148