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102213131033312 = 251319912311003003
BaseRepresentation
bin10111001111011001011001…
…010111011101101011100000
3111101220110221211210200010022
4113033121121113131223200
5101344124443021031222
61001220021505253012
730346440446425265
oct2717313127355340
9441813854720108
10102213131033312
112a628388860902
12b56970a934168
134505870289080
141b351db69b26c
15bc3be8908042
hex5cf6595ddae0

102213131033312 has 96 divisors (see below), whose sum is σ = 217977643699200. Its totient is φ = 46900052559360.

The previous prime is 102213131033291. The next prime is 102213131033317. The reversal of 102213131033312 is 213330131312201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213131033317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101405603 + ... + 102408605.

It is an arithmetic number, because the mean of its divisors is an integer number (2270600455200).

Almost surely, 2102213131033312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102213131033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108988821849600).

102213131033312 is an abundant number, since it is smaller than the sum of its proper divisors (115764512665888).

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

102213131033312 is a wasteful number, since it uses less digits than its factorization.

102213131033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004456 (or 1004448 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 102213131033312 its reverse (213330131312201), we get a palindrome (315543262345513).

The spelling of 102213131033312 in words is "one hundred two trillion, two hundred thirteen billion, one hundred thirty-one million, thirty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 199 208 398 416 796 1231 1592 2462 2587 3184 4924 5174 6368 9848 10348 16003 19696 20696 32006 39392 41392 64012 82784 128024 244969 256048 489938 512096 979876 1003003 1959752 2006006 3184597 3919504 4012012 6369194 7839008 8024024 12738388 13039039 16048048 25476776 26078078 32096096 50953552 52156156 101907104 104312312 199597597 208624624 399195194 417249248 798390388 1234696693 1596780776 2469393386 2594768761 3193561552 4938786772 5189537522 6387123104 9877573544 10379075044 16051057009 19755147088 20758150088 32102114018 39510294176 41516300176 64204228036 83032600352 128408456072 245704641907 256816912144 491409283814 513633824288 982818567628 1965637135256 3194160344791 3931274270512 6388320689582 7862548541024 12776641379164 25553282758328 51106565516656 102213131033312