Search a number
-
+
22131311402140 = 2251106565570107
BaseRepresentation
bin1010000100000110110001…
…11101000101110010011100
32220100201210010212201210021
411002003120331011302130
510400044411204332030
6115022552322121524
74442635346024113
oct502033075056234
986321703781707
1022131311402140
117062922362876
1225952434b02a4
13c46c8731a715
14567238424c7a
15285a45dba97a
hex1420d8f45c9c

22131311402140 has 12 divisors (see below), whose sum is σ = 46475753944536. Its totient is φ = 8852524560848.

The previous prime is 22131311402119. The next prime is 22131311402153. The reversal of 22131311402140 is 4120411313122.

It is a congruent number.

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, 553282785034 + ... + 553282785073.

It is an arithmetic number, because the mean of its divisors is an integer number (3872979495378).

Almost surely, 222131311402140 is an apocalyptic number.

22131311402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131311402140 is an abundant number, since it is smaller than the sum of its proper divisors (24344442542396).

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

22131311402140 is a wasteful number, since it uses less digits than its factorization.

22131311402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106565570116 (or 1106565570114 counting only the distinct ones).

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

Adding to 22131311402140 its reverse (4120411313122), we get a palindrome (26251722715262).

The spelling of 22131311402140 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred eleven million, four hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1106565570107 2213131140214 4426262280428 5532827850535 11065655701070 22131311402140