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103980121641 = 321125710693823
BaseRepresentation
bin110000011010110110…
…0101011111000101001
3100221101112221110201100
41200311230223320221
53200422402343031
6115433502512013
710340503310454
oct1406554537051
9327345843640
10103980121641
1140109082430
121819a895609
139a612911c6
1450658bc49b
152a88884de6
hex1835b2be29

103980121641 has 48 divisors (see below), whose sum is σ = 164681936640. Its totient is φ = 62697922560.

The previous prime is 103980121633. The next prime is 103980121669. The reversal of 103980121641 is 146121089301.

103980121641 is a `hidden beast` number, since 1 + 0 + 3 + 9 + 8 + 0 + 1 + 2 + 1 + 641 = 666.

It is not a de Polignac number, because 103980121641 - 23 = 103980121633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103980121596 and 103980121605.

It is not an unprimeable number, because it can be changed into a prime (103980121681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27196656 + ... + 27200478.

It is an arithmetic number, because the mean of its divisors is an integer number (3430873680).

Almost surely, 2103980121641 is an apocalyptic number.

103980121641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103980121641 is a deficient number, since it is larger than the sum of its proper divisors (60701814999).

103980121641 is a wasteful number, since it uses less digits than its factorization.

103980121641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166 (or 5163 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 103980121641 in words is "one hundred three billion, nine hundred eighty million, one hundred twenty-one thousand, six hundred forty-one".

Divisors: 1 3 9 11 33 99 257 771 1069 2313 2827 3207 3823 8481 9621 11469 11759 25443 34407 35277 42053 105831 126159 274733 378477 824199 982511 2472597 2947533 3022063 4086787 8842599 9066189 10807621 12260361 27198567 32422863 36781083 44954657 97268589 134863971 404591913 1050304259 3150912777 9452738331 11553346849 34660040547 103980121641