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2136031400 = 235210680157
BaseRepresentation
bin111111101010001…
…0100000010101000
312111212022122020002
41333110110002220
513333311001100
6551542322132
7103634652536
oct17724240250
95455278202
102136031400
119a6809008
124b7429348
132806c5209
14163989156
15c77d32d5
hex7f5140a8

2136031400 has 24 divisors (see below), whose sum is σ = 4966273470. Its totient is φ = 854412480.

The previous prime is 2136031397. The next prime is 2136031411. The reversal of 2136031400 is 41306312.

It can be written as a sum of positive squares in 3 ways, for example, as 1996838596 + 139192804 = 44686^2 + 11798^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5339879 + ... + 5340278.

Almost surely, 22136031400 is an apocalyptic number.

2136031400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136031400 is an abundant number, since it is smaller than the sum of its proper divisors (2830242070).

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

2136031400 is a wasteful number, since it uses less digits than its factorization.

2136031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680173 (or 10680164 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2136031400 is about 46217.2197346400. The cubic root of 2136031400 is about 1287.8616497488.

Adding to 2136031400 its reverse (41306312), we get a palindrome (2177337712).

The spelling of 2136031400 in words is "two billion, one hundred thirty-six million, thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 10680157 21360314 42720628 53400785 85441256 106801570 213603140 267003925 427206280 534007850 1068015700 2136031400