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149709389708 = 22471321602821
BaseRepresentation
bin1000101101101101011…
…1111111111110001100
3112022102111121222111102
42023123113333332030
54423101100432313
6152435303442232
713546636546634
oct2133327777614
9468374558442
10149709389708
115854505835a
1225021456378
131116b2bb4c8
147362d436c4
153d63327a58
hex22db5fff8c

149709389708 has 24 divisors (see below), whose sum is σ = 267768709824. Its totient is φ = 73206460800.

The previous prime is 149709389699. The next prime is 149709389729. The reversal of 149709389708 is 807983907941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53063 + ... + 549758.

It is an arithmetic number, because the mean of its divisors is an integer number (11157029576).

Almost surely, 2149709389708 is an apocalyptic number.

It is an amenable number.

149709389708 is a deficient number, since it is larger than the sum of its proper divisors (118059320116).

149709389708 is a wasteful number, since it uses less digits than its factorization.

149709389708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604193 (or 604191 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 65.

The spelling of 149709389708 in words is "one hundred forty-nine billion, seven hundred nine million, three hundred eighty-nine thousand, seven hundred eight".

Divisors: 1 2 4 47 94 188 1321 2642 5284 62087 124174 248348 602821 1205642 2411284 28332587 56665174 113330348 796326541 1592653082 3185306164 37427347427 74854694854 149709389708