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103641221913 = 3311487749443
BaseRepresentation
bin110000010000101111…
…1111000101100011001
3100220111221020120200120
41200201133320230121
53144224123100123
6115340115023453
710326216564555
oct1404137705431
9326457216616
10103641221913
113aa5484a009
121810529ab89
139a08cc3618
1450328a0865
152a68c402e3
hex18217f8b19

103641221913 has 16 divisors (see below), whose sum is σ = 142742102016. Its totient is φ = 66820248720.

The previous prime is 103641221911. The next prime is 103641221927. The reversal of 103641221913 is 319122146301.

It is not a de Polignac number, because 103641221913 - 21 = 103641221911 is a prime.

It is a super-3 number, since 3×1036412219133 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (103641221911) 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, 236431 + ... + 513012.

It is an arithmetic number, because the mean of its divisors is an integer number (8921381376).

Almost surely, 2103641221913 is an apocalyptic number.

It is an amenable number.

103641221913 is a deficient number, since it is larger than the sum of its proper divisors (39100880103).

103641221913 is a wasteful number, since it uses less digits than its factorization.

103641221913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750964.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 103641221913 in words is "one hundred three billion, six hundred forty-one million, two hundred twenty-one thousand, nine hundred thirteen".

Divisors: 1 3 31 93 1487 4461 46097 138291 749443 2248329 23232733 69698199 1114421741 3343265223 34547073971 103641221913