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20102024215240 = 23511311473755441
BaseRepresentation
bin1001001001000010111100…
…00000110011101011001000
32122011201211122000122012021
410210201132000303223020
510113322421144341430
6110430424211054224
74143215620365352
oct444413600635310
978151748018167
1020102024215240
116450247679aa0
122307aa72a1374
13b2a7c7298776
144d6d2c07c0d2
1524cd76b6807a
hex12485e033ac8

20102024215240 has 64 divisors (see below), whose sum is σ = 50932988075520. Its totient is φ = 7074026112000.

The previous prime is 20102024215153. The next prime is 20102024215283. The reversal of 20102024215240 is 4251242020102.

It is a happy 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, 736864081 + ... + 736891360.

It is an arithmetic number, because the mean of its divisors is an integer number (795827938680).

Almost surely, 220102024215240 is an apocalyptic number.

20102024215240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102024215240 is an abundant number, since it is smaller than the sum of its proper divisors (30830963860280).

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

20102024215240 is a wasteful number, since it uses less digits than its factorization.

20102024215240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473755494 (or 1473755490 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20102024215240 its reverse (4251242020102), we get a palindrome (24353266235342).

The spelling of 20102024215240 in words is "twenty trillion, one hundred two billion, twenty-four million, two hundred fifteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 124 155 220 248 310 341 440 620 682 1240 1364 1705 2728 3410 6820 13640 1473755441 2947510882 5895021764 7368777205 11790043528 14737554410 16211309851 29475108820 32422619702 45686418671 58950217640 64845239404 81056549255 91372837342 129690478808 162113098510 182745674684 228432093355 324226197020 365491349368 456864186710 502550605381 648452394040 913728373420 1005101210762 1827456746840 2010202421524 2512753026905 4020404843048 5025506053810 10051012107620 20102024215240