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2135164700 = 225261541647
BaseRepresentation
bin111111101000100…
…0000011100011100
312111210200121100002
41333101000130130
513333100232300
6551511553432
7103624412654
oct17721003434
95453617302
102135164700
119a6276929
124b708b878
13280480886
14163801364
15c76b15d5
hex7f44071c

2135164700 has 72 divisors (see below), whose sum is σ = 4725260064. Its totient is φ = 837216000.

The previous prime is 2135164673. The next prime is 2135164709. The reversal of 2135164700 is 74615312.

It is a super-2 number, since 2×21351647002 = 9117856592252180000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135164709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3299777 + ... + 3300423.

It is an arithmetic number, because the mean of its divisors is an integer number (65628612).

Almost surely, 22135164700 is an apocalyptic number.

2135164700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135164700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362630032).

2135164700 is an abundant number, since it is smaller than the sum of its proper divisors (2590095364).

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

2135164700 is a wasteful number, since it uses less digits than its factorization.

2135164700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2135164700 is about 46207.8424079723. The cubic root of 2135164700 is about 1287.6874418398.

The spelling of 2135164700 in words is "two billion, one hundred thirty-five million, one hundred sixty-four thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 244 305 541 610 647 1082 1220 1294 1525 2164 2588 2705 3050 3235 5410 6100 6470 10820 12940 13525 16175 27050 32350 33001 39467 54100 64700 66002 78934 132004 157868 165005 197335 330010 350027 394670 660020 700054 789340 825025 986675 1400108 1650050 1750135 1973350 3300100 3500270 3946700 7000540 8750675 17501350 21351647 35002700 42703294 85406588 106758235 213516470 427032940 533791175 1067582350 2135164700