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2152510040000 = 265457793263
BaseRepresentation
bin11111010100101011100…
…110001010011111000000
321121210000010101121102002
4133110223212022133000
5240231320032240000
64324503252243132
7311341130312135
oct37245346123700
97553003347362
102152510040000
1175a968890161
122a92073104a8
13127c99b49aa8
147627974658c
153aed211c8d5
hex1f52b98a7c0

2152510040000 has 140 divisors (see below), whose sum is σ = 5346833140704. Its totient is φ = 859502592000.

The previous prime is 2152510039987. The next prime is 2152510040011. The reversal of 2152510040000 is 400152512.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23033369 + ... + 23126631.

Almost surely, 22152510040000 is an apocalyptic number.

2152510040000 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 2152510040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673416570352).

2152510040000 is an abundant number, since it is smaller than the sum of its proper divisors (3194323100704).

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

2152510040000 is an frugal number, since it uses more digits than its factorization.

2152510040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93872 (or 93847 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 2152510040000 its reverse (400152512), we get a palindrome (2152910192512).

The spelling of 2152510040000 in words is "two trillion, one hundred fifty-two billion, five hundred ten million, forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 577 625 800 1000 1154 1250 1600 2000 2308 2500 2885 4000 4616 5000 5770 8000 9232 10000 11540 14425 18464 20000 23080 28850 36928 40000 46160 57700 72125 92320 93263 115400 144250 184640 186526 230800 288500 360625 373052 461600 466315 577000 721250 746104 923200 932630 1154000 1442500 1492208 1865260 2308000 2331575 2885000 2984416 3730520 4616000 4663150 5770000 5968832 7461040 9326300 11540000 11657875 14922080 18652600 23080000 23315750 29844160 37305200 46631500 53812751 58289375 74610400 93263000 107625502 116578750 149220800 186526000 215251004 233157500 269063755 373052000 430502008 466315000 538127510 746104000 861004016 932630000 1076255020 1345318775 1722008032 1865260000 2152510040 2690637550 3444016064 3730520000 4305020080 5381275100 6726593875 8610040160 10762550200 13453187750 17220080320 21525100400 26906375500 33632969375 43050200800 53812751000 67265938750 86100401600 107625502000 134531877500 215251004000 269063755000 430502008000 538127510000 1076255020000 2152510040000