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257714001984 = 26323101957271
BaseRepresentation
bin1111000000000011110…
…0111001100001000000
3220122012112100202111110
43300000330321201000
513210244241030414
6314220413243320
724422251605315
oct3600074714100
9818175322443
10257714001984
119a3289210aa
1241b43a93540
131b3c12974ca
14c68b10cd0c
156a8516e459
hex3c00f39840

257714001984 has 112 divisors (see below), whose sum is σ = 712225428480. Its totient is φ = 82087610880.

The previous prime is 257714001977. The next prime is 257714002001. The reversal of 257714001984 is 489100417752.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 4471269 + ... + 4528539.

Almost surely, 2257714001984 is an apocalyptic number.

257714001984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 257714001984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356112714240).

257714001984 is an abundant number, since it is smaller than the sum of its proper divisors (454511426496).

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

257714001984 is a wasteful number, since it uses less digits than its factorization.

257714001984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58328 (or 58318 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 257714001984 in words is "two hundred fifty-seven billion, seven hundred fourteen million, one thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 138 184 192 276 368 552 736 1019 1104 1472 2038 2208 3057 4076 4416 6114 8152 12228 16304 23437 24456 32608 46874 48912 57271 65216 70311 93748 97824 114542 140622 171813 187496 195648 229084 281244 343626 374992 458168 562488 687252 749984 916336 1124976 1317233 1374504 1499968 1832672 2249952 2634466 2749008 3665344 3951699 4499904 5268932 5498016 7903398 10537864 10996032 15806796 21075728 31613592 42151456 58359149 63227184 84302912 116718298 126454368 175077447 233436596 252908736 350154894 466873192 700309788 933746384 1342260427 1400619576 1867492768 2684520854 2801239152 3734985536 4026781281 5369041708 5602478304 8053562562 10738083416 11204956608 16107125124 21476166832 32214250248 42952333664 64428500496 85904667328 128857000992 257714001984