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10019137494 = 2319569154459
BaseRepresentation
bin10010101010010111…
…11110011111010110
3221212020202220211110
421111023332133112
5131004344344434
64334104515450
7503166156252
oct112513763726
927766686743
1010019137494
1142815a6323
121b3747bb86
13c3895b132
146b0905262
153d98dd4e9
hex2552fe7d6

10019137494 has 32 divisors (see below), whose sum is σ = 21130128000. Its totient is φ = 3158357184.

The previous prime is 10019137441. The next prime is 10019137511. The reversal of 10019137494 is 49473191001.

It is a super-2 number, since 2×100191374942 (a number of 21 digits) contains 22 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 15 ways as a sum of consecutive naturals, for example, 12364 + ... + 142095.

It is an arithmetic number, because the mean of its divisors is an integer number (660316500).

Almost surely, 210019137494 is an apocalyptic number.

10019137494 is an abundant number, since it is smaller than the sum of its proper divisors (11110990506).

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

10019137494 is a wasteful number, since it uses less digits than its factorization.

10019137494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155052.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 10019137494 in words is "ten billion, nineteen million, one hundred thirty-seven thousand, four hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 569 1138 1707 3414 10811 21622 32433 64866 154459 308918 463377 926754 2934721 5869442 8804163 17608326 87887171 175774342 263661513 527323026 1669856249 3339712498 5009568747 10019137494