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2130421401 = 323161151829
BaseRepresentation
bin111111011111011…
…1010011010011001
312111110202121202100
41332332322122121
513330341441101
6551222154013
7103536166053
oct17676723231
95443677670
102130421401
119a3627149
124b5582909
1327c4ac8a4
14162d288d3
15c7075e86
hex7efba699

2130421401 has 48 divisors (see below), whose sum is σ = 3253918720. Its totient is φ = 1341360000.

The previous prime is 2130421393. The next prime is 2130421411. The reversal of 2130421401 is 1041240312.

It is not a de Polignac number, because 2130421401 - 23 = 2130421393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130421411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2569455 + ... + 2570283.

Almost surely, 22130421401 is an apocalyptic number.

It is an amenable number.

2130421401 is a deficient number, since it is larger than the sum of its proper divisors (1123497319).

2130421401 is a wasteful number, since it uses less digits than its factorization.

2130421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2130421401 is about 46156.4881788032. The cubic root of 2130421401 is about 1286.7331961611.

Adding to 2130421401 its reverse (1041240312), we get a palindrome (3171661713).

The spelling of 2130421401 in words is "two billion, one hundred thirty million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 3 9 31 61 93 151 183 279 453 549 829 1359 1891 2487 4681 5673 7461 9211 14043 17019 25699 27633 42129 50569 77097 82899 125179 151707 231291 285541 375537 455121 856623 1126611 1567639 2569869 3880549 4702917 7635919 11641647 14108751 22907757 34924941 68723271 236713489 710140467 2130421401