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2153664010250 = 253177964110007
BaseRepresentation
bin11111010101110000011…
…000001101100000001010
321121212222112210100222222
4133111300120031200022
5240241200441312000
64325213554014042
7311411542016654
oct37256030154012
97555875710888
102153664010250
11760400208085
122a9489877322
13128121c4601c
1476348ad36d4
153b04d5b4a85
hex1f57060d80a

2153664010250 has 128 divisors (see below), whose sum is σ = 4330027653120. Its totient is φ = 799199232000.

The previous prime is 2153664010243. The next prime is 2153664010297. The reversal of 2153664010250 is 520104663512.

It is a super-2 number, since 2×21536640102502 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2153664010250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215210747 + ... + 215220753.

It is an arithmetic number, because the mean of its divisors is an integer number (33828341040).

Almost surely, 22153664010250 is an apocalyptic number.

2153664010250 is an abundant number, since it is smaller than the sum of its proper divisors (2176363642870).

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

2153664010250 is a wasteful number, since it uses less digits than its factorization.

2153664010250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761 (or 10751 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 2153664010250 its reverse (520104663512), we get a palindrome (2673768673762).

The spelling of 2153664010250 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-four million, ten thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 79 85 125 158 170 250 395 425 641 790 850 1282 1343 1975 2125 2686 3205 3950 4250 6410 6715 9875 10007 10897 13430 16025 19750 20014 21794 32050 33575 50035 50639 54485 67150 80125 100070 101278 108970 160250 167875 170119 250175 253195 272425 335750 340238 500350 506390 544850 790553 850595 860863 1250875 1265975 1362125 1581106 1701190 1721726 2501750 2531950 2724250 3952765 4252975 4304315 6329875 6414487 7905530 8505950 8608630 12659750 12828974 13439401 19763825 21264875 21521575 26878802 32072435 39527650 42529750 43043150 64144870 67197005 98819125 107607875 109046279 134394010 160362175 197638250 215215750 218092558 320724350 335985025 506744473 545231395 671970050 801810875 1013488946 1090462790 1603621750 1679925125 2533722365 2726156975 3359850250 5067444730 5452313950 8614656041 12668611825 13630784875 17229312082 25337223650 27261569750 43073280205 63343059125 86146560410 126686118250 215366401025 430732802050 1076832005125 2153664010250