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168468872250 = 235372193143181
BaseRepresentation
bin1001110011100110000…
…1101111110000111010
3121002211212220102201010
42130321201233300322
510230011012403000
6205221000334350
715112546533600
oct2347141576072
9532755812633
10168468872250
11654a1317238
1228797a743b6
1312b6a986733
14822258d870
1545b0202d50
hex273986fc3a

168468872250 has 768 divisors, whose sum is σ = 546870804480. Its totient is φ = 34292160000.

The previous prime is 168468872249. The next prime is 168468872279. The reversal of 168468872250 is 52278864861.

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 383 ways as a sum of consecutive naturals, for example, 930767160 + ... + 930767340.

It is an arithmetic number, because the mean of its divisors is an integer number (712071360).

Almost surely, 2168468872250 is an apocalyptic number.

168468872250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168468872250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273435402240).

168468872250 is an abundant number, since it is smaller than the sum of its proper divisors (378401932230).

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

168468872250 is a wasteful number, since it uses less digits than its factorization.

168468872250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 168468872250 in words is "one hundred sixty-eight billion, four hundred sixty-eight million, eight hundred seventy-two thousand, two hundred fifty".