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1011211112130 = 23571474747001
BaseRepresentation
bin11101011011100001110…
…00010000111011000010
310120200010001002221010020
432231300320100323002
5113031430021042010
62052313255314310
7133025516430102
oct16556070207302
93520101087106
101011211112130
1135a94134641a
12143b9067b996
1374483b6b2bb
1436d2b38d202
151b485b07470
hexeb70e10ec2

1011211112130 has 32 divisors (see below), whose sum is σ = 2461088458368. Its totient is φ = 265858320000.

The previous prime is 1011211112129. The next prime is 1011211112141. The reversal of 1011211112130 is 312111121101.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237371371 + ... + 237375630.

It is an arithmetic number, because the mean of its divisors is an integer number (76909014324).

Almost surely, 21011211112130 is an apocalyptic number.

1011211112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011211112130 is an abundant number, since it is smaller than the sum of its proper divisors (1449877346238).

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

1011211112130 is a wasteful number, since it uses less digits than its factorization.

1011211112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474747082.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1011211112130 its reverse (312111121101), we get a palindrome (1323322233231).

The spelling of 1011211112130 in words is "one trillion, eleven billion, two hundred eleven million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 474747001 949494002 1424241003 2373735005 2848482006 4747470010 7121205015 14242410030 33707037071 67414074142 101121111213 168535185355 202242222426 337070370710 505605556065 1011211112130