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690069034828 = 221081071595801
BaseRepresentation
bin10100000101010110101…
…00011101011101001100
32102222012002122002121001
422002223110131131030
542301230133103303
61245002514150044
7100566361005205
oct12025324353514
92388162562531
10690069034828
11246724a86568
12b18a6882324
13500c4b70ba4
14255843d25ac
1512e3c2d431d
hexa0ab51d74c

690069034828 has 12 divisors (see below), whose sum is σ = 1207632738312. Its totient is φ = 345031109600.

The previous prime is 690069034819. The next prime is 690069034841. The reversal of 690069034828 is 828430960096.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365473 + ... + 1230328.

It is an arithmetic number, because the mean of its divisors is an integer number (100636061526).

Almost surely, 2690069034828 is an apocalyptic number.

It is an amenable number.

690069034828 is a deficient number, since it is larger than the sum of its proper divisors (517563703484).

690069034828 is a wasteful number, since it uses less digits than its factorization.

690069034828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703912 (or 1703910 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 690069034828 in words is "six hundred ninety billion, sixty-nine million, thirty-four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 108107 216214 432428 1595801 3191602 6383204 172517258707 345034517414 690069034828