Search a number
-
+
499462993920 = 21135111478051
BaseRepresentation
bin1110100010010100101…
…00000111100000000000
31202202012102201222101110
413101022110013200000
531140400011301140
61021241121203320
751041105254062
oct7211224074000
91682172658343
10499462993920
11182903925920
1280971190540
1338139b09ab7
141a261b97732
15ced390a380
hex744a507800

499462993920 has 192 divisors, whose sum is σ = 1743155406720. Its totient is φ = 121081856000.

The previous prime is 499462993919. The next prime is 499462993949. The reversal of 499462993920 is 29399264994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401106 + ... + 1076945.

It is an arithmetic number, because the mean of its divisors is an integer number (9078934410).

Almost surely, 2499462993920 is an apocalyptic number.

499462993920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499462993920 is an abundant number, since it is smaller than the sum of its proper divisors (1243692412800).

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

499462993920 is a wasteful number, since it uses less digits than its factorization.

499462993920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478092 (or 1478072 counting only the distinct ones).

The product of its (nonzero) digits is 68024448, while the sum is 66.

The spelling of 499462993920 in words is "four hundred ninety-nine billion, four hundred sixty-two million, nine hundred ninety-three thousand, nine hundred twenty".