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2011203111030 = 235531797066523
BaseRepresentation
bin11101010001000101000…
…011000000100001110110
321010021021012110212011020
4131101011003000201312
5230422420444023110
64135533422322010
7265206326243241
oct35210503004166
97107235425136
102011203111030
11705a457a6a33
1228594ba29306
1311786a595059
146d4b2712258
15374b17dcd70
hex1d4450c0876

2011203111030 has 64 divisors (see below), whose sum is σ = 4945436156160. Its totient is φ = 523261821056.

The previous prime is 2011203110981. The next prime is 2011203111067. The reversal of 2011203111030 is 301113021102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3248652 + ... + 3817871.

It is an arithmetic number, because the mean of its divisors is an integer number (77272439940).

Almost surely, 22011203111030 is an apocalyptic number.

2011203111030 is an abundant number, since it is smaller than the sum of its proper divisors (2934233045130).

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

2011203111030 is a wasteful number, since it uses less digits than its factorization.

2011203111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066765.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2011203111030 its reverse (301113021102), we get a palindrome (2312316132132).

The spelling of 2011203111030 in words is "two trillion, eleven billion, two hundred three million, one hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 179 265 318 358 530 537 795 895 1074 1590 1790 2685 5370 9487 18974 28461 47435 56922 94870 142305 284610 7066523 14133046 21199569 35332615 42399138 70665230 105997845 211995690 374525719 749051438 1123577157 1264907617 1872628595 2247154314 2529815234 3745257190 3794722851 5617885785 6324538085 7589445702 11235771570 12649076170 18973614255 37947228510 67040103701 134080207402 201120311103 335200518505 402240622206 670401037010 1005601555515 2011203111030