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679875358974 = 237237220728319
BaseRepresentation
bin10011110010010111011…
…10101011000011111110
32101222212200102201010220
421321023232223003332
542114341042441344
61240155212242210
7100055642125500
oct11711356530376
92358780381126
10679875358974
11242373a08a69
12ab920a70366
134c15c001b26
1424c98655d70
1512a4241ac19
hex9e4bbab0fe

679875358974 has 96 divisors (see below), whose sum is σ = 1625294315520. Its totient is φ = 188907792192.

The previous prime is 679875358969. The next prime is 679875359003. The reversal of 679875358974 is 479853578976.

It is a self number, because there is not a number n which added to its sum of digits gives 679875358974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23993587 + ... + 24021905.

It is an arithmetic number, because the mean of its divisors is an integer number (16930149120).

Almost surely, 2679875358974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679875358974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812647157760).

679875358974 is an abundant number, since it is smaller than the sum of its proper divisors (945418956546).

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

679875358974 is a wasteful number, since it uses less digits than its factorization.

679875358974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582 (or 30575 counting only the distinct ones).

The product of its digits is 3200601600, while the sum is 78.

The spelling of 679875358974 in words is "six hundred seventy-nine billion, eight hundred seventy-five million, three hundred fifty-eight thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 37 42 49 74 98 111 147 222 259 294 518 777 1554 1813 2207 3626 4414 5439 6621 10878 13242 15449 28319 30898 46347 56638 81659 84957 92694 108143 163318 169914 198233 216286 244977 324429 396466 489954 571613 594699 648858 1047803 1143226 1189398 1387631 1714839 2095606 2775262 3143409 3429678 4001291 4162893 6286818 7334621 8002582 8325786 12003873 14669242 22003863 24007746 44007726 51342347 62500033 102684694 125000066 154027041 187500099 308054082 375000198 437500231 875000462 1312500693 2312501221 2625001386 3062501617 4625002442 6125003234 6937503663 9187504851 13875007326 16187508547 18375009702 32375017094 48562525641 97125051282 113312559829 226625119658 339937679487 679875358974