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1030212023312 = 242953123134031
BaseRepresentation
bin11101111110111010110…
…10111111010000010000
310122111011020200020011102
432333131122333100100
5113334333234221222
62105134535003532
7134300420466443
oct16773532772020
93574136606142
101030212023312
11367a019141aa
121477b3b095a8
13761c1567704
1437c10ac365a
151bbe8cc1d92
hexefdd6bf410

1030212023312 has 80 divisors (see below), whose sum is σ = 2105595233280. Its totient is φ = 487549171200.

The previous prime is 1030212023311. The next prime is 1030212023371. The reversal of 1030212023312 is 2133202120301.

It is a super-2 number, since 2×10302120233122 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030212023311) 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, 30255737 + ... + 30289767.

It is an arithmetic number, because the mean of its divisors is an integer number (26319940416).

Almost surely, 21030212023312 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 1030212023312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052797616640).

1030212023312 is an abundant number, since it is smaller than the sum of its proper divisors (1075383209968).

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

1030212023312 is a wasteful number, since it uses less digits than its factorization.

1030212023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35352 (or 35346 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1030212023312 its reverse (2133202120301), we get a palindrome (3163414143613).

The spelling of 1030212023312 in words is "one trillion, thirty billion, two hundred twelve million, twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 53 58 106 116 212 232 424 464 848 1231 1537 2462 3074 4924 6148 9848 12296 19696 24592 34031 35699 65243 68062 71398 130486 136124 142796 260972 272248 285592 521944 544496 571184 986899 1043888 1803643 1892047 1973798 3607286 3784094 3947596 7214572 7568188 7895192 14429144 15136376 15790384 28858288 30272752 41892161 52305647 83784322 104611294 167568644 209222588 335137288 418445176 670274576 836890352 1214872669 2220284533 2429745338 4440569066 4859490676 8881138132 9718981352 17762276264 19437962704 35524552528 64388251457 128776502914 257553005828 515106011656 1030212023312