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103111113020310 = 232517295574172159
BaseRepresentation
bin10111011100011101101101…
…010000111001001110010110
3111112002022210202100001221100
4113130131231100321032112
5102003333024413122220
61003144331423530530
730501350334402063
oct2734355520711626
9445068722301840
10103111113020310
112a9441a522065a
12b69375b159a46
13456c44a931c35
141b66866a59c6a
15bdc253bb4d90
hex5dc76d439396

103111113020310 has 192 divisors, whose sum is σ = 294174328780800. Its totient is φ = 24941627805696.

The previous prime is 103111113020257. The next prime is 103111113020329. The reversal of 103111113020310 is 13020311111301.

103111113020310 is a `hidden beast` number, since 1 + 0 + 31 + 11 + 11 + 302 + 0 + 310 = 666.

It is a super-2 number, since 2×1031111130203102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22628011 + ... + 26800169.

It is an arithmetic number, because the mean of its divisors is an integer number (1532157962400).

Almost surely, 2103111113020310 is an apocalyptic number.

103111113020310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103111113020310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147087164390400).

103111113020310 is an abundant number, since it is smaller than the sum of its proper divisors (191063215760490).

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

103111113020310 is a wasteful number, since it uses less digits than its factorization.

103111113020310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172775 (or 4172772 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 103111113020310 its reverse (13020311111301), we get a palindrome (116131424131611).

The spelling of 103111113020310 in words is "one hundred three trillion, one hundred eleven billion, one hundred thirteen million, twenty thousand, three hundred ten".