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1020001211110 = 25753787349343
BaseRepresentation
bin11101101011111001100…
…11110101001011100110
310121111210122020020001201
432311330303311023212
5113202430302223420
62100325421513114
7133456403145610
oct16657463651346
93544718206051
101020001211110
11363642101932
1214582441279a
1375254ca87bb
1437522965db0
151b7ec67110a
hexed7ccf52e6

1020001211110 has 64 divisors (see below), whose sum is σ = 2140601167872. Its totient is φ = 342679349376.

The previous prime is 1020001211041. The next prime is 1020001211113. The reversal of 1020001211110 is 111121000201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001211113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2745099 + ... + 3094441.

It is an arithmetic number, because the mean of its divisors is an integer number (33446893248).

Almost surely, 21020001211110 is an apocalyptic number.

1020001211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001211110 is an abundant number, since it is smaller than the sum of its proper divisors (1120599956762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020001211110 is a wasteful number, since it uses less digits than its factorization.

1020001211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350197.

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

Adding to 1020001211110 its reverse (111121000201), we get a palindrome (1131122211311).

The spelling of 1020001211110 in words is "one trillion, twenty billion, one million, two hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 787 1574 1855 3710 3935 5509 7870 11018 27545 41711 55090 83422 208555 291977 349343 417110 583954 698686 1459885 1746715 2445401 2919770 3493430 4890802 12227005 18515179 24454010 37030358 92575895 129606253 185151790 259212506 274932941 549865882 648031265 1296062530 1374664705 1924530587 2749329410 3849061174 9622652935 14571445873 19245305870 29142891746 72857229365 102000121111 145714458730 204000242222 510000605555 1020001211110