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1021101012013 = 19313746854541
BaseRepresentation
bin11101101101111100101…
…11001111010000101101
310121121122021200220021111
432312332113033100231
5113212203324341023
62101030510232021
7133525556252335
oct16667627172055
93547567626244
101021101012013
113640569a05a5
12145a907b5611
137539bab9974
14375c8a520c5
151b863eb800d
hexedbe5cf42d

1021101012013 has 16 divisors (see below), whose sum is σ = 1139502461440. Its totient is φ = 910852257600.

The previous prime is 1021101012011. The next prime is 1021101012047. The reversal of 1021101012013 is 3102101011201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1021101012013 - 21 = 1021101012011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021101011984 and 1021101012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021101012011) 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, 23405478 + ... + 23449063.

It is an arithmetic number, because the mean of its divisors is an integer number (71218903840).

Almost surely, 21021101012013 is an apocalyptic number.

It is an amenable number.

1021101012013 is a deficient number, since it is larger than the sum of its proper divisors (118401449427).

1021101012013 is a wasteful number, since it uses less digits than its factorization.

1021101012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46854628.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1021101012013 its reverse (3102101011201), we get a palindrome (4123202023214).

The spelling of 1021101012013 in words is "one trillion, twenty-one billion, one hundred one million, twelve thousand, thirteen".

Divisors: 1 19 31 37 589 703 1147 21793 46854541 890236279 1452490771 1733618017 27597324649 32938742323 53742158527 1021101012013