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29195913390 = 2357174324423
BaseRepresentation
bin11011001100001101…
…100100100010101110
32210100201021001220120
4123030031210202232
5434243123212030
621225025425410
72052334112010
oct331415444256
983321231816
1029195913390
1111422371946
1257a979b266
1329a39110c7
1415ad7381b0
15b5d246010
hex6cc3648ae

29195913390 has 192 divisors, whose sum is σ = 86828184576. Its totient is φ = 6133349376.

The previous prime is 29195913389. The next prime is 29195913401. The reversal of 29195913390 is 9331959192.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6598719 + ... + 6603141.

It is an arithmetic number, because the mean of its divisors is an integer number (452230128).

Almost surely, 229195913390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29195913390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43414092288).

29195913390 is an abundant number, since it is smaller than the sum of its proper divisors (57632271186).

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

29195913390 is a wasteful number, since it uses less digits than its factorization.

29195913390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 590490, while the sum is 51.

The spelling of 29195913390 in words is "twenty-nine billion, one hundred ninety-five million, nine hundred thirteen thousand, three hundred ninety".