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2002105107 = 34194789311
BaseRepresentation
bin111011101010101…
…1011001100010011
312011112022110220000
41313111123030103
513100014330412
6530400021043
7100420420062
oct16725331423
95145273800
102002105107
11938155222
1247a601783
1325ba335a2
1414dc861d9
15bab7b4dc
hex7755b313

2002105107 has 80 divisors (see below), whose sum is σ = 3261772800. Its totient is φ = 1219743360.

The previous prime is 2002105099. The next prime is 2002105117. The reversal of 2002105107 is 7015012002.

It is not a de Polignac number, because 2002105107 - 23 = 2002105099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002105107.

It is not an unprimeable number, because it can be changed into a prime (2002105117) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6437482 + ... + 6437792.

It is an arithmetic number, because the mean of its divisors is an integer number (40772160).

Almost surely, 22002105107 is an apocalyptic number.

2002105107 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2002105107 is a deficient number, since it is larger than the sum of its proper divisors (1259667693).

2002105107 is a wasteful number, since it uses less digits than its factorization.

2002105107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2002105107 is about 44744.8891718373. The cubic root of 2002105107 is about 1260.3629396638.

Adding to 2002105107 its reverse (7015012002), we get a palindrome (9017117109).

The spelling of 2002105107 in words is "two billion, two million, one hundred five thousand, one hundred seven".

Divisors: 1 3 9 19 27 47 57 81 89 141 171 267 311 423 513 801 893 933 1269 1539 1691 2403 2679 2799 3807 4183 5073 5909 7209 8037 8397 12549 14617 15219 17727 24111 25191 27679 37647 43851 45657 53181 72333 79477 83037 112941 131553 136971 159543 238431 249111 277723 338823 394659 478629 525901 715293 747333 833169 1183977 1300913 1577703 2145879 2241999 2499507 3902739 4733109 6437637 7498521 11708217 14199327 22495563 24717347 35124651 42597981 74152041 105373953 222456123 667368369 2002105107