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10101010110102 = 23219375031586971
BaseRepresentation
bin1001001011111101001100…
…0111101001011010010110
31022202122110202120111122100
42102333103013221122112
52310443332042010402
633252201234142530
72061526306202232
oct222772307513226
938678422514570
1010101010110102
1132448a596885a
121171787a21a46
135836a1004b42
1426cc6a3ad5c2
15127b3cba971c
hex92fd31e9696

10101010110102 has 96 divisors (see below), whose sum is σ = 23707076440320. Its totient is φ = 3097409958720.

The previous prime is 10101010110089. The next prime is 10101010110173. The reversal of 10101010110102 is 20101101010101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5571477 + ... + 7158447.

It is an arithmetic number, because the mean of its divisors is an integer number (246948712920).

Almost surely, 210101010110102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101010110102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11853538220160).

10101010110102 is an abundant number, since it is smaller than the sum of its proper divisors (13606066330218).

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

10101010110102 is a wasteful number, since it uses less digits than its factorization.

10101010110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587538 (or 1587535 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10101010110102 its reverse (20101101010101), we get a palindrome (30202111120203).

The spelling of 10101010110102 in words is "ten trillion, one hundred one billion, ten million, one hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 9 18 19 37 38 57 74 111 114 171 222 333 342 503 666 703 1006 1406 1509 2109 3018 4218 4527 6327 9054 9557 12654 18611 19114 28671 37222 55833 57342 86013 111666 167499 172026 334998 353609 707218 1060827 1586971 2121654 3173942 3182481 4760913 6364962 9521826 14282739 28565478 30152449 58717927 60304898 90457347 117435854 176153781 180914694 271372041 352307562 528461343 542744082 798246413 1056922686 1115640613 1596492826 2231281226 2394739239 3346921839 4789478478 6693843678 7184217717 10040765517 14368435434 15166681847 20081531034 29535117281 30333363694 45500045541 59070234562 88605351843 91000091082 136500136623 177210703686 265816055529 273000273246 531632111058 561167228339 1122334456678 1683501685017 3367003370034 5050505055051 10101010110102