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101203331021312 = 291319378781489
BaseRepresentation
bin10111000000101100111100…
…100110000111101000000000
3111021022221111010221001110212
4113000230330212013220000
5101231103410220140222
6555124100214413252
730213461613101552
oct2700547446075000
9437287433831425
10101203331021312
112a279100aa5943
12b425a72961228
134461582884a80
141adc3a58ad4d2
15ba77e6b396e2
hex5c0b3c987a00

101203331021312 has 80 divisors (see below), whose sum is σ = 218891848957320. Its totient is φ = 46467212378112.

The previous prime is 101203331021281. The next prime is 101203331021333. The reversal of 101203331021312 is 213120133302101.

It can be written as a sum of positive squares in 4 ways, for example, as 46637098506496 + 54566232514816 = 6829136^2 + 7386896^2 .

It is a super-2 number, since 2×1012033310213122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38106137 + ... + 40675352.

Almost surely, 2101203331021312 is an apocalyptic number.

It is an amenable number.

101203331021312 is an abundant number, since it is smaller than the sum of its proper divisors (117688517936008).

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

101203331021312 is an equidigital number, since it uses as much as digits as its factorization.

101203331021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78781713 (or 78781697 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 101203331021312 its reverse (213120133302101), we get a palindrome (314323464323413).

The spelling of 101203331021312 in words is "one hundred one trillion, two hundred three billion, three hundred thirty-one million, twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 193 208 256 386 416 512 772 832 1544 1664 2509 3088 3328 5018 6176 6656 10036 12352 20072 24704 40144 49408 80288 98816 160576 321152 642304 1284608 78781489 157562978 315125956 630251912 1024159357 1260503824 2048318714 2521007648 4096637428 5042015296 8193274856 10084030592 15204827377 16386549712 20168061184 30409654754 32773099424 40336122368 60819309508 65546198848 121638619016 131092397696 197662755901 243277238032 262184795392 395325511802 486554476064 524369590784 790651023604 973108952128 1581302047208 1946217904256 3162604094416 3892435808512 6325208188832 7784871617024 12650416377664 25300832755328 50601665510656 101203331021312