Search a number
-
+
1401224141420 = 225431629330397
BaseRepresentation
bin10100011000111111011…
…101111001101001101100
311221221210201102121210222
4110120333131321221230
5140424201340011140
62551414040150512
7203143432453325
oct24307735715154
94857721377728
101401224141420
114a028a552914
121a7697168438
13a219a4017cc
144bb6902144c
15266b08685b5
hex1463f779a6c

1401224141420 has 24 divisors (see below), whose sum is σ = 3011002575504. Its totient is φ = 547455013056.

The previous prime is 1401224141413. The next prime is 1401224141431. The reversal of 1401224141420 is 241414221041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401224141420.

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, 814664339 + ... + 814666058.

It is an arithmetic number, because the mean of its divisors is an integer number (125458440646).

Almost surely, 21401224141420 is an apocalyptic number.

1401224141420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401224141420 is an abundant number, since it is smaller than the sum of its proper divisors (1609778434084).

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

1401224141420 is a wasteful number, since it uses less digits than its factorization.

1401224141420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629330449 (or 1629330447 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 1401224141420 its reverse (241414221041), we get a palindrome (1642638362461).

The spelling of 1401224141420 in words is "one trillion, four hundred one billion, two hundred twenty-four million, one hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1629330397 3258660794 6517321588 8146651985 16293303970 32586607940 70061207071 140122414142 280244828284 350306035355 700612070710 1401224141420