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149813289860 = 225133023190607
BaseRepresentation
bin1000101110000110010…
…0010110001110000100
3112022200202010122201012
42023201210112032010
54423304200233420
6152453454421352
713552340644553
oct2134144261604
9468622118635
10149813289860
1158598773053
1225050201858
13111869992a0
147372a6bd9a
153d6c4ecdc5
hex22e1916384

149813289860 has 48 divisors (see below), whose sum is σ = 338922372096. Its totient is φ = 55297087872.

The previous prime is 149813289859. The next prime is 149813289863. The reversal of 149813289860 is 68982318941.

It is a self number, because there is not a number n which added to its sum of digits gives 149813289860.

It is not an unprimeable number, because it can be changed into a prime (149813289863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690677 + ... + 881283.

It is an arithmetic number, because the mean of its divisors is an integer number (7060882752).

Almost surely, 2149813289860 is an apocalyptic number.

149813289860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149813289860 is an abundant number, since it is smaller than the sum of its proper divisors (189109082236).

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

149813289860 is a wasteful number, since it uses less digits than its factorization.

149813289860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193652 (or 193650 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 59.

The spelling of 149813289860 in words is "one hundred forty-nine billion, eight hundred thirteen million, two hundred eighty-nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 3023 6046 12092 15115 30230 39299 60460 78598 157196 190607 196495 381214 392990 762428 785980 953035 1906070 2477891 3812140 4955782 9911564 12389455 24778910 49557820 576204961 1152409922 2304819844 2881024805 5762049610 7490664493 11524099220 14981328986 29962657972 37453322465 74906644930 149813289860