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20133021030 = 2351136959029
BaseRepresentation
bin10010110000000001…
…011000010101100110
31220222002211102210120
4102300001120111212
5312213023133110
613125440302410
71311625566213
oct226001302546
956862742716
1020133021030
1185a1624761
123a9a611a06
131b8b1104c5
14d8dc30b0a
157cc794870
hex4b0058566

20133021030 has 32 divisors (see below), whose sum is σ = 48324319200. Its totient is φ = 5368242432.

The previous prime is 20133021019. The next prime is 20133021031. The reversal of 20133021030 is 3012033102.

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 (20133021031) 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, 311556 + ... + 370584.

It is an arithmetic number, because the mean of its divisors is an integer number (1510134975).

Almost surely, 220133021030 is an apocalyptic number.

20133021030 is an abundant number, since it is smaller than the sum of its proper divisors (28191298170).

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

20133021030 is a wasteful number, since it uses less digits than its factorization.

20133021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70408.

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

Adding to 20133021030 its reverse (3012033102), we get a palindrome (23145054132).

The spelling of 20133021030 in words is "twenty billion, one hundred thirty-three million, twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 11369 22738 34107 56845 59029 68214 113690 118058 170535 177087 295145 341070 354174 590290 885435 1770870 671100701 1342201402 2013302103 3355503505 4026604206 6711007010 10066510515 20133021030