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1211413212340 = 22579766717223
BaseRepresentation
bin10001101000001101110…
…110101010110010110100
311021210212110200100222121
4101220031312222302310
5124321433240243330
62324303205205324
7153343643256412
oct21501566526264
94253773610877
101211413212340
114278371a4491
12176943a00844
138a30accb6a6
14428c023c2b2
15217a1b9d17a
hex11a0ddaacb4

1211413212340 has 24 divisors (see below), whose sum is σ = 2576169872640. Its totient is φ = 478431546528.

The previous prime is 1211413212323. The next prime is 1211413212377. The reversal of 1211413212340 is 432123141121.

It is a super-3 number, since 3×12114132123403 (a number of 37 digits) contains 333 as substring.

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, 383357032 + ... + 383360191.

It is an arithmetic number, because the mean of its divisors is an integer number (107340411360).

Almost surely, 21211413212340 is an apocalyptic number.

1211413212340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211413212340 is an abundant number, since it is smaller than the sum of its proper divisors (1364756660300).

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

1211413212340 is a wasteful number, since it uses less digits than its factorization.

1211413212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766717311 (or 766717309 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1211413212340 its reverse (432123141121), we get a palindrome (1643536353461).

The spelling of 1211413212340 in words is "one trillion, two hundred eleven billion, four hundred thirteen million, two hundred twelve thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 766717223 1533434446 3066868892 3833586115 7667172230 15334344460 60570660617 121141321234 242282642468 302853303085 605706606170 1211413212340