Search a number
-
+
10101000112021 = 721331511520743
BaseRepresentation
bin1001001011111101001010…
…0001100000011110010101
31022202122110001202112212001
42102333102201200132111
52310443322012041041
633252200235555301
72061526125211300
oct222772241403625
938678401675761
1010101000112021
1132448a025a085
1211717845bbb31
1358369bc14110
1426cc68d29b37
15127b3bd82131
hex92fd2860795

10101000112021 has 24 divisors (see below), whose sum is σ = 13062193718784. Its totient is φ = 7734193619040.

The previous prime is 10101000112019. The next prime is 10101000112033. The reversal of 10101000112021 is 12021100010101.

It is not a de Polignac number, because 10101000112021 - 21 = 10101000112019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101000111989 and 10101000112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101000112051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255740625 + ... + 255780118.

It is an arithmetic number, because the mean of its divisors is an integer number (544258071616).

Almost surely, 210101000112021 is an apocalyptic number.

It is an amenable number.

10101000112021 is a deficient number, since it is larger than the sum of its proper divisors (2961193606763).

10101000112021 is a wasteful number, since it uses less digits than its factorization.

10101000112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511520801 (or 511520794 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101000112021 its reverse (12021100010101), we get a palindrome (22122100122122).

The spelling of 10101000112021 in words is "ten trillion, one hundred one billion, one hundred twelve thousand, twenty-one".

Divisors: 1 7 13 31 49 91 217 403 637 1519 2821 19747 511520743 3580645201 6649769659 15857143033 25064516407 46548387613 111000001231 206142859429 325838713291 777000008617 1443000016003 10101000112021