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20503230502 = 243238409657
BaseRepresentation
bin10011000110000101…
…100111100000100110
31221220220110000201111
4103012011213200212
5313442311334002
613230303215234
71324042404136
oct230605474046
957826400644
1020503230502
1187715a25a7
123b825a751a
131c19a21271
14dc707cac6
158000213d7
hex4c6167826

20503230502 has 8 divisors (see below), whose sum is σ = 31470074856. Its totient is φ = 10013205552.

The previous prime is 20503230487. The next prime is 20503230551.

20503230502 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×205032305022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119204743 + ... + 119204914.

It is an arithmetic number, because the mean of its divisors is an integer number (3933759357).

Almost surely, 220503230502 is an apocalyptic number.

20503230502 is a deficient number, since it is larger than the sum of its proper divisors (10966844354).

20503230502 is a wasteful number, since it uses less digits than its factorization.

20503230502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238409702.

The product of its (nonzero) digits is 1800, while the sum is 22.

The spelling of 20503230502 in words is "twenty billion, five hundred three million, two hundred thirty thousand, five hundred two".

Divisors: 1 2 43 86 238409657 476819314 10251615251 20503230502