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149495909741568 = 2103413197297051
BaseRepresentation
bin100001111111011100111010…
…100110000111010000000000
3201121022200001222201102110000
4201333130322212013100000
5124043320110343212233
61245541250044240000
743326503002230225
oct4177347246072000
9647280058642400
10149495909741568
11436a794a7760a5
1214925385840000
1365555331b6ca0
1428cb8d7ca994c
151243ae9697d13
hex87f73a987400

149495909741568 has 440 divisors, whose sum is σ = 506067777242720. Its totient is φ = 43577749094400.

The previous prime is 149495909741467. The next prime is 149495909741603. The reversal of 149495909741568 is 865147909594941.

149495909741568 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 9 + 5 + 9 + 0 + 9 + 7 + 41 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16838643 + ... + 24135693.

It is an arithmetic number, because the mean of its divisors is an integer number (1150154039188).

Almost surely, 2149495909741568 is an apocalyptic number.

149495909741568 is a gapful number since it is divisible by the number (18) 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 149495909741568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253033888621360).

149495909741568 is an abundant number, since it is smaller than the sum of its proper divisors (356571867501152).

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

149495909741568 is a wasteful number, since it uses less digits than its factorization.

149495909741568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297115 (or 7297088 counting only the distinct ones).

The product of its (nonzero) digits is 3527193600, while the sum is 81.

The spelling of 149495909741568 in words is "one hundred forty-nine trillion, four hundred ninety-five billion, nine hundred nine million, seven hundred forty-one thousand, five hundred sixty-eight".