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10132212312 = 23323719119913
BaseRepresentation
bin10010110111110110…
…10100101001011000
3222011010112201022200
421123323110221120
5131222321243222
64353224250200
7506041245405
oct113373245130
928133481280
1010132212312
11432a408092
121b69310960
13c561cbc01
146c193b2ac
153e47c6eac
hex25bed4a58

10132212312 has 96 divisors (see below), whose sum is σ = 28332046080. Its totient is φ = 3268753920.

The previous prime is 10132212253. The next prime is 10132212319. The reversal of 10132212312 is 21321223101.

10132212312 is a `hidden beast` number, since 10 + 132 + 212 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10132212319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498868 + ... + 518780.

It is an arithmetic number, because the mean of its divisors is an integer number (295125480).

Almost surely, 210132212312 is an apocalyptic number.

10132212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10132212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14166023040).

10132212312 is an abundant number, since it is smaller than the sum of its proper divisors (18199833768).

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

10132212312 is a wasteful number, since it uses less digits than its factorization.

10132212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20153 (or 20146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10132212312 its reverse (21321223101), we get a palindrome (31453435413).

The spelling of 10132212312 in words is "ten billion, one hundred thirty-two million, two hundred twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 191 222 296 333 382 444 573 666 764 888 1146 1332 1528 1719 2292 2664 3438 4584 6876 7067 13752 14134 19913 21201 28268 39826 42402 56536 59739 63603 79652 84804 119478 127206 159304 169608 179217 238956 254412 358434 477912 508824 716868 736781 1433736 1473562 2210343 2947124 3803383 4420686 5894248 6631029 7606766 8841372 11410149 13262058 15213532 17682744 22820298 26524116 30427064 34230447 45640596 53048232 68460894 91281192 136921788 140725171 273843576 281450342 422175513 562900684 844351026 1125801368 1266526539 1688702052 2533053078 3377404104 5066106156 10132212312