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1421950712 = 2371323163521
BaseRepresentation
bin101010011000001…
…0011111011111000
310200002122120200012
41110300103323320
510403004410322
6353033201052
750144244620
oct12460237370
93602576605
101421950712
1166a721686
12338260188
13198795a70
14d6bc7880
1584c7dae2
hex54c13ef8

1421950712 has 128 divisors (see below), whose sum is σ = 3451714560. Its totient is φ = 533744640.

The previous prime is 1421950693. The next prime is 1421950723. The reversal of 1421950712 is 2170591241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2729012 + ... + 2729532.

It is an arithmetic number, because the mean of its divisors is an integer number (26966520).

Almost surely, 21421950712 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 1421950712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725857280).

1421950712 is an abundant number, since it is smaller than the sum of its proper divisors (2029763848).

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

1421950712 is a wasteful number, since it uses less digits than its factorization.

1421950712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1421950712 is about 37708.7617404762. The cubic root of 1421950712 is about 1124.5053198301.

The spelling of 1421950712 in words is "one billion, four hundred twenty-one million, nine hundred fifty thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 13 14 23 26 28 46 52 56 91 92 104 161 163 182 184 299 322 326 364 521 598 644 652 728 1042 1141 1196 1288 1304 2084 2093 2119 2282 2392 3647 3749 4168 4186 4238 4564 6773 7294 7498 8372 8476 9128 11983 13546 14588 14833 14996 16744 16952 23966 26243 27092 29176 29666 29992 47411 47932 48737 52486 54184 59332 83881 84923 94822 95864 97474 104972 118664 155779 167762 169846 189644 194948 209944 311558 335524 339692 341159 379288 389896 594461 623116 671048 679384 682318 1090453 1103999 1188922 1246232 1364636 1953229 2180906 2207998 2377844 2729272 3906458 4361812 4415996 4755688 7727993 7812916 8723624 8831992 13672603 15455986 15625832 25391977 27345206 30911972 50783954 54690412 61823944 101567908 109380824 177743839 203135816 355487678 710975356 1421950712