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253012474000 = 2453111319101461
BaseRepresentation
bin1110101110100010110…
…1111111100010010000
3220012001212121101120101
43223220231333202100
513121132143132000
6312122103222144
724164612354536
oct3535055774220
9805055541511
10253012474000
1198335a44590
1241051447954
131ab222200a0
14c362944156
1568ac523e6a
hex3ae8b7f890

253012474000 has 640 divisors, whose sum is σ = 765715991040. Its totient is φ = 79488000000.

The previous prime is 253012473997. The next prime is 253012474007. The reversal of 253012474000 is 474210352.

It is a self number, because there is not a number n which added to its sum of digits gives 253012474000.

It is not an unprimeable number, because it can be changed into a prime (253012474007) 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, 548833770 + ... + 548834230.

It is an arithmetic number, because the mean of its divisors is an integer number (1196431236).

Almost surely, 2253012474000 is an apocalyptic number.

253012474000 is a gapful number since it is divisible by the number (20) 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 253012474000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382857995520).

253012474000 is an abundant number, since it is smaller than the sum of its proper divisors (512703517040).

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

253012474000 is a wasteful number, since it uses less digits than its factorization.

253012474000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 253012474000 its reverse (474210352), we get a palindrome (253486684352).

The spelling of 253012474000 in words is "two hundred fifty-three billion, twelve million, four hundred seventy-four thousand".