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86703397248 = 2731361284729
BaseRepresentation
bin101000010111111101…
…1001101100110000000
322021210111201221022010
41100233323031212000
52410032032202443
6103455254412520
76156406500546
oct1205773154600
9267714657263
1086703397248
1133852897706
1214978961140
138239b5c370
1442a7167d96
1523c6c4a733
hex142fecd980

86703397248 has 128 divisors (see below), whose sum is σ = 252088552800. Its totient is φ = 26240532480.

The previous prime is 86703397237. The next prime is 86703397279. The reversal of 86703397248 is 84279330768.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162148 + ... + 446876.

Almost surely, 286703397248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86703397248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126044276400).

86703397248 is an abundant number, since it is smaller than the sum of its proper divisors (165385155552).

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

86703397248 is a wasteful number, since it uses less digits than its factorization.

86703397248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284820 (or 284808 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 86703397248 in words is "eighty-six billion, seven hundred three million, three hundred ninety-seven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 61 64 78 96 104 122 128 156 183 192 208 244 312 366 384 416 488 624 732 793 832 976 1248 1464 1586 1664 1952 2379 2496 2928 3172 3904 4758 4992 5856 6344 7808 9516 11712 12688 19032 23424 25376 38064 50752 76128 101504 152256 284729 304512 569458 854187 1138916 1708374 2277832 3416748 3701477 4555664 6833496 7402954 9111328 11104431 13666992 14805908 17368469 18222656 22208862 27333984 29611816 34736938 36445312 44417724 52105407 54667968 59223632 69473876 88835448 104210814 109335936 118447264 138947752 177670896 208421628 225790097 236894528 277895504 355341792 416843256 451580194 473789056 555791008 677370291 710683584 833686512 903160388 1111582016 1354740582 1421367168 1667373024 1806320776 2223164032 2709481164 3334746048 3612641552 5418962328 6669492096 7225283104 10837924656 14450566208 21675849312 28901132416 43351698624 86703397248