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492243875904 = 26311171923137229
BaseRepresentation
bin1110010100111000000…
…01010111100001000000
31202001120022200210012010
413022130001113201000
531031103413012104
61014044514332520
750364155623554
oct7123401274100
91661508623163
10492243875904
1117a839920690
127b49758a140
13375592b4a31
1419b790bd864
15cc0ec5c489
hex729c057840

492243875904 has 896 divisors, whose sum is σ = 1671728025600. Its totient is φ = 125738680320.

The previous prime is 492243875899. The next prime is 492243875911. The reversal of 492243875904 is 409578342294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2149536462 + ... + 2149536690.

Almost surely, 2492243875904 is an apocalyptic number.

492243875904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492243875904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835864012800).

492243875904 is an abundant number, since it is smaller than the sum of its proper divisors (1179484149696).

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

492243875904 is a wasteful number, since it uses less digits than its factorization.

492243875904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 492243875904 in words is "four hundred ninety-two billion, two hundred forty-three million, eight hundred seventy-five thousand, nine hundred four".