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7466666680 = 2351116969697
BaseRepresentation
bin1101111010000110…
…00100101010111000
3201021100211222010101
412331003010222320
5110242431313210
63232524325144
7353013422344
oct67503045270
921240758111
107466666680
113191814210
1215446a37b4
1391cbb9a85
1450b916624
152da79aa3a
hex1bd0c4ab8

7466666680 has 32 divisors (see below), whose sum is σ = 18327273840. Its totient is φ = 2715151360.

The previous prime is 7466666671. The next prime is 7466666699. The reversal of 7466666680 is 866666647.

It is a super-2 number, since 2×74666666802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8484409 + ... + 8485288.

Almost surely, 27466666680 is an apocalyptic number.

It is an amenable number.

7466666680 is an abundant number, since it is smaller than the sum of its proper divisors (10860607160).

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

7466666680 is a wasteful number, since it uses less digits than its factorization.

7466666680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969719 (or 16969715 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 55.

The square root of 7466666680 is about 86409.8760559231. The cubic root of 7466666680 is about 1954.5296130011.

The spelling of 7466666680 in words is "seven billion, four hundred sixty-six million, six hundred sixty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 16969697 33939394 67878788 84848485 135757576 169696970 186666667 339393940 373333334 678787880 746666668 933333335 1493333336 1866666670 3733333340 7466666680