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48191816954 = 21710342132687
BaseRepresentation
bin101100111000011101…
…001100010011111010
311121101120101221210102
4230320131030103322
51242144101120304
634050005515402
73324144454031
oct547035142372
9147346357712
1048191816954
111949002a3a6
12940b412b62
134710276128
142492527718
1513c0c71d1e
hexb3874c4fa

48191816954 has 32 divisors (see below), whose sum is σ = 77468990976. Its totient is φ = 22404291840.

The previous prime is 48191816891. The next prime is 48191816957. The reversal of 48191816954 is 45961819184.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 48191816954.

It is not an unprimeable number, because it can be changed into a prime (48191816957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457999 + ... + 1490685.

It is an arithmetic number, because the mean of its divisors is an integer number (2420905968).

Almost surely, 248191816954 is an apocalyptic number.

48191816954 is a deficient number, since it is larger than the sum of its proper divisors (29277174022).

48191816954 is a wasteful number, since it uses less digits than its factorization.

48191816954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230.

The product of its digits is 2488320, while the sum is 56.

The spelling of 48191816954 in words is "forty-eight billion, one hundred ninety-one million, eight hundred sixteen thousand, nine hundred fifty-four".

Divisors: 1 2 17 34 103 206 421 842 1751 3502 7157 14314 32687 43363 65374 86726 555679 737171 1111358 1474342 3366761 6733522 13761227 27522454 57234937 114469874 233940859 467881718 1417406381 2834812762 24095908477 48191816954