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149570644608 = 27310711257
BaseRepresentation
bin1000101101001100011…
…0101110101010000000
3112022001211120000000000
42023103012232222000
54422310041111413
6152413430000000
713543333334160
oct2132306565200
9468054500000
10149570644608
1158483803090
1224ba2aa6000
1311148630408
14734c7485a0
153d5606d073
hex22d31aea80

149570644608 has 704 divisors, whose sum is σ = 559412896320. Its totient is φ = 38698352640.

The previous prime is 149570644603. The next prime is 149570644609. The reversal of 149570644608 is 806446075941.

149570644608 is a `hidden beast` number, since 1 + 4 + 9 + 570 + 6 + 4 + 4 + 60 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (149570644603) by changing a digit.

It is a polite number, since it can be written in 87 ways as a sum of consecutive naturals, for example, 581986816 + ... + 581987072.

Almost surely, 2149570644608 is an apocalyptic number.

149570644608 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 149570644608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279706448160).

149570644608 is an abundant number, since it is smaller than the sum of its proper divisors (409842251712).

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

149570644608 is an frugal number, since it uses more digits than its factorization.

149570644608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 149570644608 in words is "one hundred forty-nine billion, five hundred seventy million, six hundred forty-four thousand, six hundred eight".