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2011012111102 = 243199479245317
BaseRepresentation
bin11101010000111001101…
…010011001101011111110
321010020202220002001111211
4131100321222121223332
5230422023100023402
64135502440435034
7265201516622161
oct35207152315376
97106686061454
102011012111102
11705957a00955
122858b7a78a7a
13117839b3c447
146d4951d3ad8
153749eb604d7
hex1d439a99afe

2011012111102 has 32 divisors (see below), whose sum is σ = 3108669696000. Its totient is φ = 975142875168.

The previous prime is 2011012111021. The next prime is 2011012111181. The reversal of 2011012111102 is 2011112101102.

It is a happy number.

It is a super-4 number, since 4×20110121111024 (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8074948 + ... + 8320264.

It is an arithmetic number, because the mean of its divisors is an integer number (97145928000).

Almost surely, 22011012111102 is an apocalyptic number.

2011012111102 is a deficient number, since it is larger than the sum of its proper divisors (1097657584898).

2011012111102 is a wasteful number, since it uses less digits than its factorization.

2011012111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246040.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2011012111102 its reverse (2011112101102), we get a palindrome (4022124212204).

The spelling of 2011012111102 in words is "two trillion, eleven billion, twelve million, one hundred eleven thousand, one hundred two".

Divisors: 1 2 43 86 199 398 479 958 8557 17114 20597 41194 95321 190642 245317 490634 4098803 8197606 10548631 21097262 48818083 97636166 117506843 235013686 2099177569 4198355138 5052794249 10105588498 23383861757 46767723514 1005506055551 2011012111102