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20310123410 = 2513196716033
BaseRepresentation
bin10010111010100100…
…111110001110010010
31221102110002011120222
4102322210332032102
5313043342422120
613155204233042
71316206125533
oct227244761622
957373064528
1020310123410
118682598365
123b2999b782
131bb8a0b505
14da957268a
157dd0c9525
hex4ba93e392

20310123410 has 32 divisors (see below), whose sum is σ = 36877686912. Its totient is φ = 8053194240.

The previous prime is 20310123391. The next prime is 20310123413. The reversal of 20310123410 is 1432101302.

It is a super-2 number, since 2×203101234102 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20310123413) 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, 1258754 + ... + 1274786.

It is an arithmetic number, because the mean of its divisors is an integer number (1152427716).

Almost surely, 220310123410 is an apocalyptic number.

20310123410 is a deficient number, since it is larger than the sum of its proper divisors (16567563502).

20310123410 is a wasteful number, since it uses less digits than its factorization.

20310123410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20310123410 its reverse (1432101302), we get a palindrome (21742224712).

The spelling of 20310123410 in words is "twenty billion, three hundred ten million, one hundred twenty-three thousand, four hundred ten".

Divisors: 1 2 5 10 131 262 655 967 1310 1934 4835 9670 16033 32066 80165 126677 160330 253354 633385 1266770 2100323 4200646 10501615 15503911 21003230 31007822 77519555 155039110 2031012341 4062024682 10155061705 20310123410