Search a number
-
+
389102010000101 = 15715394916098557
BaseRepresentation
bin101100001111000101101111…
…1000101100110001011100101
31220000200210022002102100212022
41120132023133011212023211
5402000021404030000401
63455314555023432525
7144646456352226056
oct13036133705461345
91800623262370768
10389102010000101
11102a8626585a6a2
12377826aba55745
13139162151a2408
146c128d007272d
152eeb68239971b
hex161e2df1662e5

389102010000101 has 8 divisors (see below), whose sum is σ = 391582934647800. Its totient is φ = 386621117857728.

The previous prime is 389102010000097. The next prime is 389102010000103. The reversal of 389102010000101 is 101000010201983.

It can be written as a sum of positive squares in 4 ways, for example, as 25452327700900 + 363649682299201 = 5045030^2 + 19069601^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 389102010000101 - 22 = 389102010000097 is a prime.

It is a super-2 number, since 2×3891020100001012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389102010000103) 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, 16120715 + ... + 32219271.

It is an arithmetic number, because the mean of its divisors is an integer number (48947866830975).

Almost surely, 2389102010000101 is an apocalyptic number.

It is an amenable number.

389102010000101 is a deficient number, since it is larger than the sum of its proper divisors (2480924647699).

389102010000101 is a wasteful number, since it uses less digits than its factorization.

389102010000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252663.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 389102010000101 in words is "three hundred eighty-nine trillion, one hundred two billion, ten million, one hundred one", and thus it is an aban number.

Divisors: 1 157 153949 16098557 24169993 2527473449 2478356751593 389102010000101