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103387371361 = 1035407185641
BaseRepresentation
bin110000001001001011…
…1100001011101100001
3100212212020120122012021
41200102113201131201
53143214131340421
6115255010101441
710320015104521
oct1402227413541
9325766518167
10103387371361
113a93452636a
121805427a881
1399985333b1
14500aca1681
152a517ea341
hex18125e1761

103387371361 has 8 divisors (see below), whose sum is σ = 104411001344. Its totient is φ = 102364123680.

The previous prime is 103387371349. The next prime is 103387371371. The reversal of 103387371361 is 163173783301.

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

It is a 3-Lehmer number, since φ(103387371361) divides (103387371361-1)3.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 103387371361 - 211 = 103387369313 is a prime.

It is a deceptive number, since it divides R103387371360.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103387371341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464101 + ... + 649741.

It is an arithmetic number, because the mean of its divisors is an integer number (13051375168).

It is a Poulet number, since it divides 2103387371360-1.

Almost surely, 2103387371361 is an apocalyptic number.

103387371361 is the 185641-st octagonal number.

It is an amenable number.

103387371361 is a deficient number, since it is larger than the sum of its proper divisors (1023629983).

103387371361 is a wasteful number, since it uses less digits than its factorization.

103387371361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191151.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 103387371361 in words is "one hundred three billion, three hundred eighty-seven million, three hundred seventy-one thousand, three hundred sixty-one".

Divisors: 1 103 5407 185641 556921 19121023 1003760887 103387371361