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10030212309 = 3131967320113
BaseRepresentation
bin10010101011101100…
…01110010011010101
3221220000121120121210
421111312032103111
5131020213243214
64335142132033
7503362253325
oct112566162325
927800546553
1010030212309
11428787aa67
121b3b121019
13c3b037c90
146b2189285
153da879b59
hex255d8e4d5

10030212309 has 32 divisors (see below), whose sum is σ = 15183656320. Its totient is φ = 5838594048.

The previous prime is 10030212307. The next prime is 10030212329. The reversal of 10030212309 is 90321203001.

It is a happy number.

It is not a de Polignac number, because 10030212309 - 21 = 10030212307 is a prime.

It is a super-2 number, since 2×100302123092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030212307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488637 + ... + 508749.

It is an arithmetic number, because the mean of its divisors is an integer number (474489260).

Almost surely, 210030212309 is an apocalyptic number.

10030212309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10030212309 is a deficient number, since it is larger than the sum of its proper divisors (5153444011).

10030212309 is a wasteful number, since it uses less digits than its factorization.

10030212309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20821.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 10030212309 in words is "ten billion, thirty million, two hundred twelve thousand, three hundred nine".

Divisors: 1 3 13 19 39 57 247 673 741 2019 8749 12787 20113 26247 38361 60339 166231 261469 382147 498693 784407 1146441 4967911 13536049 14903733 40608147 175968637 257184931 527905911 771554793 3343404103 10030212309