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345186700840 = 235139127948541
BaseRepresentation
bin1010000010111101011…
…10110000111000101000
31012222222122200021012201
411001132232300320220
521123420243411330
6422324312545544
733640022355052
oct5013656607050
91188878607181
10345186700840
11123435991463
1256a963b22b4
132672161b907
14129c84d08d2
158ea46caeca
hex505ebb0e28

345186700840 has 64 divisors (see below), whose sum is σ = 782885376000. Its totient is φ = 136971336960.

The previous prime is 345186700801. The next prime is 345186700871. The reversal of 345186700840 is 48007681543.

It is a happy 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, 7086970 + ... + 7135510.

It is an arithmetic number, because the mean of its divisors is an integer number (12232584000).

Almost surely, 2345186700840 is an apocalyptic number.

It is an amenable number.

345186700840 is an abundant number, since it is smaller than the sum of its proper divisors (437698675160).

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

345186700840 is a wasteful number, since it uses less digits than its factorization.

345186700840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49970 (or 49966 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 345186700840 in words is "three hundred forty-five billion, one hundred eighty-six million, seven hundred thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 139 278 556 695 1112 1279 1390 2558 2780 5116 5560 6395 10232 12790 25580 48541 51160 97082 177781 194164 242705 355562 388328 485410 711124 888905 970820 1422248 1777810 1941640 3555620 6747199 7111240 13494398 26988796 33735995 53977592 62083939 67471990 124167878 134943980 248335756 269887960 310419695 496671512 620839390 1241678780 2483357560 8629667521 17259335042 34518670084 43148337605 69037340168 86296675210 172593350420 345186700840