Search a number
-
+
1455224032990 = 2571323375233593
BaseRepresentation
bin10101001011010010000…
…111001000111011011110
312011010012001202100011001
4111023102013020323132
5142320244323023430
63032304245220514
7210064544121460
oct25132207107336
95133161670131
101455224032990
11511180035682
121b604770173a
13a72c4a55780
145060ca78130
1527cc14613ca
hex152d21c8ede

1455224032990 has 256 divisors, whose sum is σ = 3462539415552. Its totient is φ = 427685474304.

The previous prime is 1455224032961. The next prime is 1455224032991. The reversal of 1455224032990 is 992304225541.

It is a super-3 number, since 3×14552240329903 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1455224032990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455224032991) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 405014634 + ... + 405018226.

It is an arithmetic number, because the mean of its divisors is an integer number (13525544592).

Almost surely, 21455224032990 is an apocalyptic number.

1455224032990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1455224032990 is an abundant number, since it is smaller than the sum of its proper divisors (2007315382562).

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

1455224032990 is a wasteful number, since it uses less digits than its factorization.

1455224032990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 1455224032990 in words is "one trillion, four hundred fifty-five billion, two hundred twenty-four million, thirty-two thousand, nine hundred ninety".