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102421032054 = 23112983644717
BaseRepresentation
bin101111101100011000…
…1001110110001110110
3100210100220020111212120
41133120301032301312
53134224241011204
6115015050100410
710254042256665
oct1373061166166
9323326214776
10102421032054
113a489003340
1217a2471a706
1398732804a3
144d587d6ddc
1529e6a676d9
hex17d8c4ec76

102421032054 has 64 divisors (see below), whose sum is σ = 233955267840. Its totient is φ = 29605358720.

The previous prime is 102421032041. The next prime is 102421032067. The reversal of 102421032054 is 450230124201.

It is an interprime number because it is at equal distance from previous prime (102421032041) and next prime (102421032067).

It is a super-3 number, since 3×1024210320543 (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

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, 163497 + ... + 481220.

It is an arithmetic number, because the mean of its divisors is an integer number (3655551060).

Almost surely, 2102421032054 is an apocalyptic number.

102421032054 is an abundant number, since it is smaller than the sum of its proper divisors (131534235786).

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

102421032054 is a wasteful number, since it uses less digits than its factorization.

102421032054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644845.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 102421032054 its reverse (450230124201), we get a palindrome (552651156255).

The spelling of 102421032054 in words is "one hundred two billion, four hundred twenty-one million, thirty-two thousand, fifty-four".

Divisors: 1 2 3 6 11 22 29 33 58 66 83 87 166 174 249 319 498 638 913 957 1826 1914 2407 2739 4814 5478 7221 14442 26477 52954 79431 158862 644717 1289434 1934151 3868302 7091887 14183774 18696793 21275661 37393586 42551322 53511511 56090379 107023022 112180758 160534533 205664723 321069066 411329446 588626621 616994169 1177253242 1233988338 1551833819 1765879863 3103667638 3531759726 4655501457 9311002914 17070172009 34140344018 51210516027 102421032054