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2031422988 = 223733713339
BaseRepresentation
bin111100100010101…
…0000111000001100
312020120110222110110
41321011100320030
513130021013423
6533324240020
7101224545000
oct17105207014
95216428413
102031422988
1195275a181
124883a0010
13264b29c4a
14153b18700
15bd51d193
hex79150e0c

2031422988 has 96 divisors (see below), whose sum is σ = 5677504000. Its totient is φ = 564677568.

The previous prime is 2031422977. The next prime is 2031423011. The reversal of 2031422988 is 8892241302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145623 + ... + 158961.

Almost surely, 22031422988 is an apocalyptic number.

2031422988 is a gapful number since it is divisible by the number (28) 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 2031422988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2838752000).

2031422988 is an abundant number, since it is smaller than the sum of its proper divisors (3646081012).

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

2031422988 is a wasteful number, since it uses less digits than its factorization.

2031422988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404 (or 13388 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2031422988 is about 45071.3100319926. The cubic root of 2031422988 is about 1266.4852054304.

The spelling of 2031422988 in words is "two billion, thirty-one million, four hundred twenty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 49 74 84 98 111 147 148 196 222 259 294 343 444 518 588 686 777 1029 1036 1372 1554 1813 2058 3108 3626 4116 5439 7252 10878 12691 13339 21756 25382 26678 38073 40017 50764 53356 76146 80034 93373 152292 160068 186746 280119 373492 493543 560238 653611 987086 1120476 1307222 1480629 1960833 1974172 2614444 2961258 3454801 3921666 4575277 5922516 6909602 7843332 9150554 10364403 13725831 13819204 18301108 20728806 24183607 27451662 41457612 48367214 54903324 72550821 96734428 145101642 169285249 290203284 338570498 507855747 677140996 1015711494 2031422988