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1429044864 = 27313833449
BaseRepresentation
bin101010100101101…
…0111111010000000
310200121000000000120
41111023113322000
510411313413424
6353445220240
750261452362
oct12513277200
93617000016
101429044864
11673727615
1233a701680
1319a0aaaa0
14d7b12d32
15856d0a79
hex552d7e80

1429044864 has 128 divisors (see below), whose sum is σ = 4138344000. Its totient is φ = 434282496.

The previous prime is 1429044863. The next prime is 1429044887. The reversal of 1429044864 is 4684409241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×14290448643 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1429044863) 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, 412612 + ... + 416060.

Almost surely, 21429044864 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 1429044864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069172000).

1429044864 is an abundant number, since it is smaller than the sum of its proper divisors (2709299136).

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

1429044864 is a wasteful number, since it uses less digits than its factorization.

1429044864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1429044864 is about 37802.7097441440. The cubic root of 1429044864 is about 1126.3722813535.

The spelling of 1429044864 in words is "one billion, four hundred twenty-nine million, forty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 83 96 104 128 156 166 192 208 249 312 332 384 416 498 624 664 832 996 1079 1248 1328 1664 1992 2158 2496 2656 3237 3449 3984 4316 4992 5312 6474 6898 7968 8632 10347 10624 12948 13796 15936 17264 20694 25896 27592 31872 34528 41388 44837 51792 55184 69056 82776 89674 103584 110368 134511 138112 165552 179348 207168 220736 269022 286267 331104 358696 414336 441472 538044 572534 662208 717392 858801 1076088 1145068 1324416 1434784 1717602 2152176 2290136 2869568 3435204 3721471 4304352 4580272 5739136 6870408 7442942 8608704 9160544 11164413 13740816 14885884 17217408 18321088 22328826 27481632 29771768 36642176 44657652 54963264 59543536 89315304 109926528 119087072 178630608 238174144 357261216 476348288 714522432 1429044864