Search a number
-
+
1361212343620 = 22568060617181
BaseRepresentation
bin10011110011101110100…
…101000000010101000100
311211010112020011200202221
4103303232211000111010
5134300230324443440
62521155440342124
7200226053004523
oct23635645002504
94733466150687
101361212343620
11485317976a28
1219b98b314944
139b491a7b2cc
1449c510624ba
152561cd00d4a
hex13cee940544

1361212343620 has 12 divisors (see below), whose sum is σ = 2858545921644. Its totient is φ = 544484937440.

The previous prime is 1361212343597. The next prime is 1361212343657. The reversal of 1361212343620 is 263432121631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 449095661316 + 912116682304 = 670146^2 + 955048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34030308571 + ... + 34030308610.

It is an arithmetic number, because the mean of its divisors is an integer number (238212160137).

Almost surely, 21361212343620 is an apocalyptic number.

1361212343620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361212343620 is an abundant number, since it is smaller than the sum of its proper divisors (1497333578024).

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

1361212343620 is a wasteful number, since it uses less digits than its factorization.

1361212343620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68060617190 (or 68060617188 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 1361212343620 in words is "one trillion, three hundred sixty-one billion, two hundred twelve million, three hundred forty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 68060617181 136121234362 272242468724 340303085905 680606171810 1361212343620