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1111100001010 = 25276740155403
BaseRepresentation
bin10000001010110010101…
…110001000101011110010
310221012221110200020120021
4100022302232020223302
5121201013100013020
62210233213034054
7143163044115346
oct20126256105362
93835843606507
101111100001010
1139923aa9104a
1215b40918592a
1380a126469cc
143bac5769626
151dd801e51aa
hex102b2b88af2

1111100001010 has 16 divisors (see below), whose sum is σ = 2000702848896. Its totient is φ = 444279367728.

The previous prime is 1111100000977. The next prime is 1111100001041. The reversal of 1111100001010 is 101000011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111100000984 and 1111100001002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20050032 + ... + 20105371.

It is an arithmetic number, because the mean of its divisors is an integer number (125043928056).

Almost surely, 21111100001010 is an apocalyptic number.

1111100001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111100001010 is a deficient number, since it is larger than the sum of its proper divisors (889602847886).

1111100001010 is a wasteful number, since it uses less digits than its factorization.

1111100001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40158177.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1111100001010 its reverse (101000011111), we get a palindrome (1212100012121).

The spelling of 1111100001010 in words is "one trillion, one hundred eleven billion, one hundred million, one thousand, ten".

Divisors: 1 2 5 10 2767 5534 13835 27670 40155403 80310806 200777015 401554030 111110000101 222220000202 555550000505 1111100001010