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2030131230 = 235509132949
BaseRepresentation
bin111100100000001…
…0101100000011110
312020111001100111120
41321000111200132
513124203144410
6533240431410
7101210554641
oct17100254036
95214040446
102030131230
11951a57706
12487a78566
13264796caa
1415389da58
15bd365570
hex7901581e

2030131230 has 32 divisors (see below), whose sum is σ = 4881924000. Its totient is φ = 540300672.

The previous prime is 2030131217. The next prime is 2030131231. The reversal of 2030131230 is 321310302.

It is a super-2 number, since 2×20301312302 = 8242865622042625800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51205 + ... + 81744.

It is an arithmetic number, because the mean of its divisors is an integer number (152560125).

Almost surely, 22030131230 is an apocalyptic number.

2030131230 is an abundant number, since it is smaller than the sum of its proper divisors (2851792770).

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

2030131230 is a wasteful number, since it uses less digits than its factorization.

2030131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133468.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2030131230 is about 45056.9775950407. The cubic root of 2030131230 is about 1266.2167008242.

Adding to 2030131230 its reverse (321310302), we get a palindrome (2351441532).

The spelling of 2030131230 in words is "two billion, thirty million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 509 1018 1527 2545 3054 5090 7635 15270 132949 265898 398847 664745 797694 1329490 1994235 3988470 67671041 135342082 203013123 338355205 406026246 676710410 1015065615 2030131230