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30429020190 = 2351516717223
BaseRepresentation
bin11100010101101101…
…100000000000011110
32220112122120101102210
4130111231200000132
5444304312121230
621551235301250
72125026255402
oct342555400036
986478511383
1030429020190
11119a5430278
125a9274a826
132b3c2276ba
141689405102
15bd1620eb0
hex715b6001e

30429020190 has 32 divisors (see below), whose sum is σ = 73513299456. Its totient is φ = 8060666400.

The previous prime is 30429020117. The next prime is 30429020191. The reversal of 30429020190 is 9102092403.

It is a super-2 number, since 2×304290201902 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30429020191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3354082 + ... + 3363141.

It is an arithmetic number, because the mean of its divisors is an integer number (2297290608).

Almost surely, 230429020190 is an apocalyptic number.

30429020190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30429020190 is an abundant number, since it is smaller than the sum of its proper divisors (43084279266).

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

30429020190 is a wasteful number, since it uses less digits than its factorization.

30429020190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6717384.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 30429020190 in words is "thirty billion, four hundred twenty-nine million, twenty thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 151 302 453 755 906 1510 2265 4530 6717223 13434446 20151669 33586115 40303338 67172230 100758345 201516690 1014300673 2028601346 3042902019 5071503365 6085804038 10143006730 15214510095 30429020190