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248738788964 = 223797173100153
BaseRepresentation
bin1110011110100111111…
…1001011011001100100
3212210001000220200211102
43213221333023121210
513033404112221324
6310134035255232
723653656551441
oct3475177133144
9783030820742
10248738788964
119654261a786
124025a14a518
131a5c09b5483
14c07910a9c8
15670c23bdae
hex39e9fcb664

248738788964 has 48 divisors (see below), whose sum is σ = 454281718128. Its totient is φ = 119067107328.

The previous prime is 248738788877. The next prime is 248738788979. The reversal of 248738788964 is 469887837842.

It can be written as a sum of positive squares in 8 ways, for example, as 95074788964 + 153664000000 = 308342^2 + 392000^2 .

It is a Harshad number since it is a multiple of its sum of digits (74).

It is a junction number, because it is equal to n+sod(n) for n = 248738788891 and 248738788900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2433512 + ... + 2533664.

It is an arithmetic number, because the mean of its divisors is an integer number (9464202461).

Almost surely, 2248738788964 is an apocalyptic number.

It is an amenable number.

248738788964 is a deficient number, since it is larger than the sum of its proper divisors (205542929164).

248738788964 is a wasteful number, since it uses less digits than its factorization.

248738788964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100464 (or 100462 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 74.

The spelling of 248738788964 in words is "two hundred forty-eight billion, seven hundred thirty-eight million, seven hundred eighty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 37 74 97 148 173 194 346 388 692 3589 6401 7178 12802 14356 16781 25604 33562 67124 100153 200306 400612 620897 1241794 2483588 3705661 7411322 9714841 14822644 17326469 19429682 34652938 38859364 69305876 359449117 641079353 718898234 1282158706 1437796468 1680667493 2564317412 3361334986 6722669972 62184697241 124369394482 248738788964