Search a number
-
+
12701664140880 = 24351113438606863
BaseRepresentation
bin1011100011010101011000…
…1011011101111001010000
31122222021012210221121122210
42320311112023131321100
53131101002010002010
643003021451432120
72450444035550511
oct270652613357120
948867183847583
1012701664140880
114057822304140
121511801755640
137119b985c270
1431ca99d12a08
151705ed146b20
hexb8d562dde50

12701664140880 has 320 divisors, whose sum is σ = 47334722383872. Its totient is φ = 2776229406720.

The previous prime is 12701664140863. The next prime is 12701664140897. The reversal of 12701664140880 is 8804146610721.

It is an interprime number because it is at equal distance from previous prime (12701664140863) and next prime (12701664140897).

It is a super-2 number, since 2×127016641408802 (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2827672 + ... + 5779191.

Almost surely, 212701664140880 is an apocalyptic number.

12701664140880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12701664140880 is an abundant number, since it is smaller than the sum of its proper divisors (34633058242992).

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

12701664140880 is a wasteful number, since it uses less digits than its factorization.

12701664140880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606946 (or 8606940 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 12701664140880 in words is "twelve trillion, seven hundred one billion, six hundred sixty-four million, one hundred forty thousand, eight hundred eighty".