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245244800000 = 21055173443
BaseRepresentation
bin1110010001100110111…
…0101010110000000000
3212110000112100200000202
43210121232222300000
513004230132100000
6304355223104332
723501252255624
oct3443156526000
9773015320022
10245244800000
119500a3290a2
123b643ba20a8
131a184b71b95
14bc27075184
1565a561add5
hex3919baac00

245244800000 has 264 divisors, whose sum is σ = 617706682992. Its totient is φ = 97310720000.

The previous prime is 245244799927. The next prime is 245244800029. The reversal of 245244800000 is 8442542.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553599779 + ... + 553600221.

Almost surely, 2245244800000 is an apocalyptic number.

245244800000 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 245244800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308853341496).

245244800000 is an abundant number, since it is smaller than the sum of its proper divisors (372461882992).

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

245244800000 is an frugal number, since it uses more digits than its factorization.

245244800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The spelling of 245244800000 in words is "two hundred forty-five billion, two hundred forty-four million, eight hundred thousand".