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2073144780 = 2238573761
BaseRepresentation
bin111101110010001…
…1010110111001100
312100110222200000000
41323210122313030
513221211113110
6541414404300
7102242303610
oct17344326714
95313880000
102073144780
119742663a3
1249a360690
132706773b5
14159499340
15c20101c0
hex7b91adcc

2073144780 has 432 divisors, whose sum is σ = 7790293056. Its totient is φ = 453496320.

The previous prime is 2073144763. The next prime is 2073144797. The reversal of 2073144780 is 874413702.

It is a happy number.

2073144780 is a `hidden beast` number, since 207 + 3 + 1 + 447 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2073144763) and next prime (2073144797).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33985950 + ... + 33986010.

Almost surely, 22073144780 is an apocalyptic number.

2073144780 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 2073144780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3895146528).

2073144780 is an abundant number, since it is smaller than the sum of its proper divisors (5717148276).

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

2073144780 is an equidigital number, since it uses as much as digits as its factorization.

2073144780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 2073144780 is about 45531.7996569431. The cubic root of 2073144780 is about 1275.0969614842.

The spelling of 2073144780 in words is "two billion, seventy-three million, one hundred forty-four thousand, seven hundred eighty".