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2129548727120 = 245672657149531
BaseRepresentation
bin11110111111010010111…
…111101101001101010000
321112120201220122001120112
4132333102333231031100
5234342303433231440
64310145015500452
7306566126342033
oct36772277551520
97476656561515
102129548727120
11751155814a21
122a4879687728
13125a7aab4a19
14750dc04901a
153a5db400965
hex1efd2fed350

2129548727120 has 80 divisors (see below), whose sum is σ = 5027024196288. Its totient is φ = 838784348160.

The previous prime is 2129548727023. The next prime is 2129548727147. The reversal of 2129548727120 is 217278459212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14166755 + ... + 14316285.

Almost surely, 22129548727120 is an apocalyptic number.

2129548727120 is a gapful number since it is divisible by the number (20) 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 2129548727120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513512098144).

2129548727120 is an abundant number, since it is smaller than the sum of its proper divisors (2897475469168).

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

2129548727120 is a wasteful number, since it uses less digits than its factorization.

2129548727120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152268 (or 152262 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 2129548727120 in words is "two trillion, one hundred twenty-nine billion, five hundred forty-eight million, seven hundred twenty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2657 2680 5314 5360 10628 13285 21256 26570 42512 53140 106280 149531 178019 212560 299062 356038 598124 712076 747655 890095 1196248 1424152 1495310 1780190 2392496 2848304 2990620 3560380 5981240 7120760 10018577 11962480 14241520 20037154 40074308 50092885 80148616 100185770 160297232 200371540 397303867 400743080 794607734 801486160 1589215468 1986519335 3178430936 3973038670 6356861872 7946077340 15892154680 26619359089 31784309360 53238718178 106477436356 133096795445 212954872712 266193590890 425909745424 532387181780 1064774363560 2129548727120