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149947688255040 = 2634513445001449
BaseRepresentation
bin100010000110000001101010…
…101100010111111001000000
3201122220212012012200210220000
4202012001222230113321000
5124123220331143130130
61250525003401520000
743404235333231404
oct4206015254277100
9648825165623800
10149947688255040
1143861503989a95
1214998a494a3000
136589010ba1180
142905714a81104
15125073bb48260
hex88606ab17e40

149947688255040 has 280 divisors, whose sum is σ = 574420331700600. Its totient is φ = 36910200102912.

The previous prime is 149947688255021. The next prime is 149947688255051. The reversal of 149947688255040 is 40552886749941.

It is a happy number.

149947688255040 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 4 + 7 + 68 + 8 + 2 + 550 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1654331019264 + 148293357235776 = 1286208^2 + 12177576^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 149947688255040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 222163765 + ... + 222837684.

It is an arithmetic number, because the mean of its divisors is an integer number (2051501184645).

Almost surely, 2149947688255040 is an apocalyptic number.

149947688255040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149947688255040 is an abundant number, since it is smaller than the sum of its proper divisors (424472643445560).

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

149947688255040 is a wasteful number, since it uses less digits than its factorization.

149947688255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445001491 (or 445001472 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 72.

The spelling of 149947688255040 in words is "one hundred forty-nine trillion, nine hundred forty-seven billion, six hundred eighty-eight million, two hundred fifty-five thousand, forty".