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2133454120 = 235725691913
BaseRepresentation
bin111111100101001…
…1110110100101000
312111200110200212021
41333022132310220
513332131012440
6551411154224
7103604026600
oct17712366450
95450420767
102133454120
119a5308726
124b65a5974
132800020b5
141634b7c00
15c747484a
hex7f29ed28

2133454120 has 96 divisors (see below), whose sum is σ = 5596727400. Its totient is φ = 729802752.

The previous prime is 2133454111. The next prime is 2133454129. The reversal of 2133454120 is 214543312.

It is an interprime number because it is at equal distance from previous prime (2133454111) and next prime (2133454129).

It can be written as a sum of positive squares in 4 ways, for example, as 1748745124 + 384708996 = 41818^2 + 19614^2 .

It is not an unprimeable number, because it can be changed into a prime (2133454129) 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, 1114284 + ... + 1116196.

Almost surely, 22133454120 is an apocalyptic number.

2133454120 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 2133454120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798363700).

2133454120 is an abundant number, since it is smaller than the sum of its proper divisors (3463273280).

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

2133454120 is a wasteful number, since it uses less digits than its factorization.

2133454120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2133454120 is about 46189.3290706847. The cubic root of 2133454120 is about 1287.3434744833.

Adding to 2133454120 its reverse (214543312), we get a palindrome (2347997432).

The spelling of 2133454120 in words is "two billion, one hundred thirty-three million, four hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 569 980 1138 1913 1960 2276 2845 3826 3983 4552 5690 7652 7966 9565 11380 13391 15304 15932 19130 19915 22760 26782 27881 31864 38260 39830 53564 55762 66955 76520 79660 93737 107128 111524 133910 139405 159320 187474 223048 267820 278810 374948 468685 535640 557620 749896 937370 1088497 1115240 1874740 2176994 3749480 4353988 5442485 7619479 8707976 10884970 15238958 21769940 30477916 38097395 43539880 53336353 60955832 76194790 106672706 152389580 213345412 266681765 304779160 426690824 533363530 1066727060 2133454120