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1301129412 = 2231123428567
BaseRepresentation
bin100110110001101…
…1010100011000100
310100200022020000020
41031203122203010
510131042120122
6333035415140
744146263132
oct11543324304
93320266006
101301129412
116084a9870
123038b44b0
1317974207b
14c4b36752
1579364c5c
hex4d8da8c4

1301129412 has 48 divisors (see below), whose sum is σ = 3455972352. Its totient is φ = 377138080.

The previous prime is 1301129393. The next prime is 1301129429. The reversal of 1301129412 is 2149211031.

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, 211248 + ... + 217319.

It is an arithmetic number, because the mean of its divisors is an integer number (71999424).

Almost surely, 21301129412 is an apocalyptic number.

1301129412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301129412 is an abundant number, since it is smaller than the sum of its proper divisors (2154842940).

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

1301129412 is a wasteful number, since it uses less digits than its factorization.

1301129412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428608 (or 428606 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1301129412 is about 36071.1714808377. The cubic root of 1301129412 is about 1091.7088511200.

The spelling of 1301129412 in words is "one billion, three hundred one million, one hundred twenty-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 759 1012 1518 3036 428567 857134 1285701 1714268 2571402 4714237 5142804 9428474 9857041 14142711 18856948 19714082 28285422 29571123 39428164 56570844 59142246 108427451 118284492 216854902 325282353 433709804 650564706 1301129412