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212430134132 = 223159229712641
BaseRepresentation
bin1100010111010111010…
…0101001101101110100
3202022022121202220221122
43011311310221231310
511440024103243012
6241331123003112
721230134230056
oct3056564515564
9668277686848
10212430134132
11821002aaa27
1235206509498
1317055616328
14a3d2ca98d6
1557d485be72
hex3175d29b74

212430134132 has 48 divisors (see below), whose sum is σ = 390449687040. Its totient is φ = 100994611200.

The previous prime is 212430134099. The next prime is 212430134153. The reversal of 212430134132 is 231431034212.

It is a super-2 number, since 2×2124301341322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16798532 + ... + 16811172.

It is an arithmetic number, because the mean of its divisors is an integer number (8134368480).

Almost surely, 2212430134132 is an apocalyptic number.

It is an amenable number.

212430134132 is a deficient number, since it is larger than the sum of its proper divisors (178019552908).

212430134132 is a wasteful number, since it uses less digits than its factorization.

212430134132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032 (or 15030 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212430134132 its reverse (231431034212), we get a palindrome (443861168344).

The spelling of 212430134132 in words is "two hundred twelve billion, four hundred thirty million, one hundred thirty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 31 59 62 118 124 236 1829 2297 3658 4594 7316 9188 12641 25282 50564 71207 135523 142414 271046 284828 391871 542092 745819 783742 1491638 1567484 2983276 4201213 8402426 16804852 23120389 29036377 46240778 58072754 92481556 116145508 900127687 1713146243 1800255374 3426292486 3600510748 6852584972 53107533533 106215067066 212430134132