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149814814680 = 23335138717421
BaseRepresentation
bin1000101110000110101…
…0001010011111011000
3112022200212000010101000
42023201222022133120
54423310043032210
6152453551225000
713552356625236
oct2134152123730
9468625003330
10149814814680
1158599614733
1225050818160
13111870b134b
147372d47956
153d6c6eeac0
hex22e1a8a7d8

149814814680 has 64 divisors (see below), whose sum is σ = 499382719200. Its totient is φ = 39950616960.

The previous prime is 149814814679. The next prime is 149814814687. The reversal of 149814814680 is 86418418941.

149814814680 is a `hidden beast` number, since 1 + 4 + 9 + 81 + 481 + 4 + 6 + 80 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149814814687) 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, 69357631 + ... + 69359790.

Almost surely, 2149814814680 is an apocalyptic number.

149814814680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149814814680 is an abundant number, since it is smaller than the sum of its proper divisors (349567904520).

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

149814814680 is a wasteful number, since it uses less digits than its factorization.

149814814680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138717441 (or 138717431 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 149814814680 in words is "one hundred forty-nine billion, eight hundred fourteen million, eight hundred fourteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 138717421 277434842 416152263 554869684 693587105 832304526 1109739368 1248456789 1387174210 1664609052 2080761315 2496913578 2774348420 3329218104 3745370367 4161522630 4993827156 5548696840 6242283945 7490740734 8323045260 9987654312 12484567890 14981481468 16646090520 18726851835 24969135780 29962962936 37453703670 49938271560 74907407340 149814814680