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12945854910 = 2352914880293
BaseRepresentation
bin11000000111010001…
…00001000110111110
31020102012220120100210
430003220201012332
5203003114324120
65540334333250
7635544644142
oct140350410676
936365816323
1012945854910
11554366344a
12261365a226
1312b40c49a1
148ab4b3222
1550b808ce0
hex303a211be

12945854910 has 32 divisors (see below), whose sum is σ = 32141435040. Its totient is φ = 3333185408.

The previous prime is 12945854849. The next prime is 12945854963. The reversal of 12945854910 is 1945854921.

It is a super-2 number, since 2×129458549102 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12945854910.

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, 7439277 + ... + 7441016.

It is an arithmetic number, because the mean of its divisors is an integer number (1004419845).

Almost surely, 212945854910 is an apocalyptic number.

12945854910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12945854910 is an abundant number, since it is smaller than the sum of its proper divisors (19195580130).

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

12945854910 is a wasteful number, since it uses less digits than its factorization.

12945854910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880332.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 12945854910 in words is "twelve billion, nine hundred forty-five million, eight hundred fifty-four thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 14880293 29760586 44640879 74401465 89281758 148802930 223204395 431528497 446408790 863056994 1294585491 2157642485 2589170982 4315284970 6472927455 12945854910