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20000122110010 = 25719181511316249
BaseRepresentation
bin1001000110000101001000…
…01011001000000000111010
32121210222210220020100002201
410203002210023020000322
510110140222230010020
6110311532415220414
74132650445651510
oct443024413100072
977728726210081
1020000122110010
1164110055900a9
1222b01a851770a
13b21007699193
144d20225664b0
1524a3b0956a0a
hex1230a42c803a

20000122110010 has 128 divisors (see below), whose sum is σ = 43559006400000. Its totient is φ = 6458728181760.

The previous prime is 20000122109971. The next prime is 20000122110079. The reversal of 20000122110010 is 1001122100002.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 1230844366 + ... + 1230860614.

It is an arithmetic number, because the mean of its divisors is an integer number (340304737500).

Almost surely, 220000122110010 is an apocalyptic number.

20000122110010 is an abundant number, since it is smaller than the sum of its proper divisors (23558884289990).

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

20000122110010 is a wasteful number, since it uses less digits than its factorization.

20000122110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21576.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000122110010 its reverse (1001122100002), we get a palindrome (21001244210012).

The spelling of 20000122110010 in words is "twenty trillion, one hundred twenty-two million, one hundred ten thousand, ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 181 190 266 362 665 905 1267 1330 1810 2534 3439 5113 6335 6878 10226 12670 16249 17195 24073 25565 32498 34390 35791 48146 51130 71582 81245 97147 113743 120365 162490 178955 194294 227486 240730 308731 357910 485735 568715 617462 680029 925453 971470 1137430 1360058 1543655 1850906 2161117 2941069 3087310 3400145 4322234 4627265 5882138 6478171 6800290 9254530 10805585 12956342 14705345 17583607 20587483 21611170 29410690 32390855 35167214 41174966 55880311 64781710 83081137 87918035 102937415 111760622 123085249 166162274 175836070 205874830 246170498 279401555 391162177 415405685 558803110 581567959 615426245 782324354 830811370 1163135918 1230852490 1578541603 1955810885 2907839795 3157083206 3911621770 5815679590 7892708015 11049791221 15037685797 15785416030 22099582442 30075371594 55248956105 75188428985 105263800579 110497912210 150376857970 210527601158 285716030143 526319002895 571432060286 1052638005790 1428580150715 2000012211001 2857160301430 4000024422002 10000061055005 20000122110010